39487120

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 95618880

約数和(自身を除く): 56131760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 67, 80, 106, 134, 139, 212, 265, 268, 278, 335, 424, 530, 536, 556, 670, 695, 848, 1060, 1072, 1112, 1340, 1390, 2120, 2224, 2680, 2780, 3551, 4240, 5360, 5560, 7102, 7367, 9313, 11120, 14204, 14734, 17755, 18626, 28408, 29468, 35510, 36835, 37252, 46565, 56816, 58936, 71020, 73670, 74504, 93130, 117872, 142040, 147340, 149008, 186260, 284080, 294680, 372520, 493589, 589360, 745040, 987178, 1974356, 2467945, 3948712, 4935890, 7897424, 9871780, 19743560, 39487120]

約数ペア:

[(1, 39487120), (2, 19743560), (4, 9871780), (5, 7897424), (8, 4935890), (10, 3948712), (16, 2467945), (20, 1974356), (40, 987178), (53, 745040), (67, 589360), (80, 493589), (106, 372520), (134, 294680), (139, 284080), (212, 186260), (265, 149008), (268, 147340), (278, 142040), (335, 117872), (424, 93130), (530, 74504), (536, 73670), (556, 71020), (670, 58936), (695, 56816), (848, 46565), (1060, 37252), (1072, 36835), (1112, 35510), (1340, 29468), (1390, 28408), (2120, 18626), (2224, 17755), (2680, 14734), (2780, 14204), (3551, 11120), (4240, 9313), (5360, 7367), (5560, 7102)]