128987360

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27799}}^1$

素因数の和:27843

約数の個数: 48

約数和(自身を含む): 315252000

約数和(自身を除く): 186264640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 27799, 55598, 111196, 138995, 222392, 277990, 444784, 555980, 806171, 889568, 1111960, 1612342, 2223920, 3224684, 4030855, 4447840, 6449368, 8061710, 12898736, 16123420, 25797472, 32246840, 64493680, 128987360]

約数ペア:

[(1, 128987360), (2, 64493680), (4, 32246840), (5, 25797472), (8, 16123420), (10, 12898736), (16, 8061710), (20, 6449368), (29, 4447840), (32, 4030855), (40, 3224684), (58, 2223920), (80, 1612342), (116, 1111960), (145, 889568), (160, 806171), (232, 555980), (290, 444784), (464, 277990), (580, 222392), (928, 138995), (1160, 111196), (2320, 55598), (4640, 27799)]