90159890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{2539}}^1$

素因数の和:2666

約数の個数: 32

約数和(自身を含む): 167883840

約数和(自身を除く): 77723950

約数列:

[1, 2, 5, 10, 53, 67, 106, 134, 265, 335, 530, 670, 2539, 3551, 5078, 7102, 12695, 17755, 25390, 35510, 134567, 170113, 269134, 340226, 672835, 850565, 1345670, 1701130, 9015989, 18031978, 45079945, 90159890]

約数ペア:

[(1, 90159890), (2, 45079945), (5, 18031978), (10, 9015989), (53, 1701130), (67, 1345670), (106, 850565), (134, 672835), (265, 340226), (335, 269134), (530, 170113), (670, 134567), (2539, 35510), (3551, 25390), (5078, 17755), (7102, 12695)]