8665396520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{635293}}^1$

素因数の和:635346

約数の個数: 64

約数和(自身を含む): 21955760640

約数和(自身を除く): 13290364120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 635293, 1270586, 2541172, 3176465, 5082344, 6352930, 6988223, 12705860, 13976446, 19694083, 25411720, 27952892, 34941115, 39388166, 55905784, 69882230, 78776332, 98470415, 139764460, 157552664, 196940830, 216634913, 279528920, 393881660, 433269826, 787763320, 866539652, 1083174565, 1733079304, 2166349130, 4332698260, 8665396520]

約数ペア:

[(1, 8665396520), (2, 4332698260), (4, 2166349130), (5, 1733079304), (8, 1083174565), (10, 866539652), (11, 787763320), (20, 433269826), (22, 393881660), (31, 279528920), (40, 216634913), (44, 196940830), (55, 157552664), (62, 139764460), (88, 98470415), (110, 78776332), (124, 69882230), (155, 55905784), (220, 39388166), (248, 34941115), (310, 27952892), (341, 25411720), (440, 19694083), (620, 13976446), (682, 12705860), (1240, 6988223), (1364, 6352930), (1705, 5082344), (2728, 3176465), (3410, 2541172), (6820, 1270586), (13640, 635293)]