89996720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3299}}^1$

素因数の和:3354

約数の個数: 80

約数和(自身を含む): 235699200

約数和(自身を除く): 145702480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3299, 3410, 5456, 6598, 6820, 13196, 13640, 16495, 26392, 27280, 32990, 36289, 52784, 65980, 72578, 102269, 131960, 145156, 181445, 204538, 263920, 290312, 362890, 409076, 511345, 580624, 725780, 818152, 1022690, 1124959, 1451560, 1636304, 2045380, 2249918, 2903120, 4090760, 4499836, 5624795, 8181520, 8999672, 11249590, 17999344, 22499180, 44998360, 89996720]

約数ペア:

[(1, 89996720), (2, 44998360), (4, 22499180), (5, 17999344), (8, 11249590), (10, 8999672), (11, 8181520), (16, 5624795), (20, 4499836), (22, 4090760), (31, 2903120), (40, 2249918), (44, 2045380), (55, 1636304), (62, 1451560), (80, 1124959), (88, 1022690), (110, 818152), (124, 725780), (155, 580624), (176, 511345), (220, 409076), (248, 362890), (310, 290312), (341, 263920), (440, 204538), (496, 181445), (620, 145156), (682, 131960), (880, 102269), (1240, 72578), (1364, 65980), (1705, 52784), (2480, 36289), (2728, 32990), (3299, 27280), (3410, 26392), (5456, 16495), (6598, 13640), (6820, 13196)]