100320520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 233280000

約数和(自身を除く): 132959480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 79, 106, 158, 212, 265, 316, 395, 424, 530, 599, 632, 790, 1060, 1198, 1580, 2120, 2396, 2995, 3160, 4187, 4792, 5990, 8374, 11980, 16748, 20935, 23960, 31747, 33496, 41870, 47321, 63494, 83740, 94642, 126988, 158735, 167480, 189284, 236605, 253976, 317470, 378568, 473210, 634940, 946420, 1269880, 1892840, 2508013, 5016026, 10032052, 12540065, 20064104, 25080130, 50160260, 100320520]

約数ペア:

[(1, 100320520), (2, 50160260), (4, 25080130), (5, 20064104), (8, 12540065), (10, 10032052), (20, 5016026), (40, 2508013), (53, 1892840), (79, 1269880), (106, 946420), (158, 634940), (212, 473210), (265, 378568), (316, 317470), (395, 253976), (424, 236605), (530, 189284), (599, 167480), (632, 158735), (790, 126988), (1060, 94642), (1198, 83740), (1580, 63494), (2120, 47321), (2396, 41870), (2995, 33496), (3160, 31747), (4187, 23960), (4792, 20935), (5990, 16748), (8374, 11980)]