18107840

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:885

約数の個数: 56

約数和(自身を含む): 43781472

約数和(自身を除く): 25673632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 797, 1136, 1420, 1594, 2272, 2840, 3188, 3985, 4544, 5680, 6376, 7970, 11360, 12752, 15940, 22720, 25504, 31880, 51008, 56587, 63760, 113174, 127520, 226348, 255040, 282935, 452696, 565870, 905392, 1131740, 1810784, 2263480, 3621568, 4526960, 9053920, 18107840]

約数ペア:

[(1, 18107840), (2, 9053920), (4, 4526960), (5, 3621568), (8, 2263480), (10, 1810784), (16, 1131740), (20, 905392), (32, 565870), (40, 452696), (64, 282935), (71, 255040), (80, 226348), (142, 127520), (160, 113174), (284, 63760), (320, 56587), (355, 51008), (568, 31880), (710, 25504), (797, 22720), (1136, 15940), (1420, 12752), (1594, 11360), (2272, 7970), (2840, 6376), (3188, 5680), (3985, 4544)]