87889720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75767}}^1$

素因数の和:75807

約数の個数: 32

約数和(自身を含む): 204573600

約数和(自身を除く): 116683880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 75767, 151534, 303068, 378835, 606136, 757670, 1515340, 2197243, 3030680, 4394486, 8788972, 10986215, 17577944, 21972430, 43944860, 87889720]

約数ペア:

[(1, 87889720), (2, 43944860), (4, 21972430), (5, 17577944), (8, 10986215), (10, 8788972), (20, 4394486), (29, 3030680), (40, 2197243), (58, 1515340), (116, 757670), (145, 606136), (232, 378835), (290, 303068), (580, 151534), (1160, 75767)]