4020294520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{1223}}^1$

素因数の和:1517

約数の個数: 128

約数和(自身を含む): 10236948480

約数和(自身を除く): 6216653960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 241, 248, 310, 341, 440, 482, 620, 682, 964, 1205, 1223, 1240, 1364, 1705, 1928, 2410, 2446, 2651, 2728, 3410, 4820, 4892, 5302, 6115, 6820, 7471, 9640, 9784, 10604, 12230, 13255, 13453, 13640, 14942, 21208, 24460, 26510, 26906, 29884, 37355, 37913, 48920, 53020, 53812, 59768, 67265, 74710, 75826, 82181, 106040, 107624, 134530, 149420, 151652, 164362, 189565, 269060, 294743, 298840, 303304, 328724, 379130, 410905, 417043, 538120, 589486, 657448, 758260, 821810, 834086, 1178972, 1473715, 1516520, 1643620, 1668172, 2085215, 2357944, 2947430, 3242173, 3287240, 3336344, 4170430, 5894860, 6484346, 8340860, 9137033, 11789720, 12968692, 16210865, 16681720, 18274066, 25937384, 32421730, 36548132, 45685165, 64843460, 73096264, 91370330, 100507363, 129686920, 182740660, 201014726, 365481320, 402029452, 502536815, 804058904, 1005073630, 2010147260, 4020294520]

約数ペア:

[(1, 4020294520), (2, 2010147260), (4, 1005073630), (5, 804058904), (8, 502536815), (10, 402029452), (11, 365481320), (20, 201014726), (22, 182740660), (31, 129686920), (40, 100507363), (44, 91370330), (55, 73096264), (62, 64843460), (88, 45685165), (110, 36548132), (124, 32421730), (155, 25937384), (220, 18274066), (241, 16681720), (248, 16210865), (310, 12968692), (341, 11789720), (440, 9137033), (482, 8340860), (620, 6484346), (682, 5894860), (964, 4170430), (1205, 3336344), (1223, 3287240), (1240, 3242173), (1364, 2947430), (1705, 2357944), (1928, 2085215), (2410, 1668172), (2446, 1643620), (2651, 1516520), (2728, 1473715), (3410, 1178972), (4820, 834086), (4892, 821810), (5302, 758260), (6115, 657448), (6820, 589486), (7471, 538120), (9640, 417043), (9784, 410905), (10604, 379130), (12230, 328724), (13255, 303304), (13453, 298840), (13640, 294743), (14942, 269060), (21208, 189565), (24460, 164362), (26510, 151652), (26906, 149420), (29884, 134530), (37355, 107624), (37913, 106040), (48920, 82181), (53020, 75826), (53812, 74710), (59768, 67265)]