89972560

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 215879040

約数和(自身を除く): 125906480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 103, 122, 179, 206, 244, 305, 358, 412, 488, 515, 610, 716, 824, 895, 976, 1030, 1220, 1432, 1648, 1790, 2060, 2440, 2864, 3580, 4120, 4880, 6283, 7160, 8240, 10919, 12566, 14320, 18437, 21838, 25132, 31415, 36874, 43676, 50264, 54595, 62830, 73748, 87352, 92185, 100528, 109190, 125660, 147496, 174704, 184370, 218380, 251320, 294992, 368740, 436760, 502640, 737480, 873520, 1124657, 1474960, 2249314, 4498628, 5623285, 8997256, 11246570, 17994512, 22493140, 44986280, 89972560]

約数ペア:

[(1, 89972560), (2, 44986280), (4, 22493140), (5, 17994512), (8, 11246570), (10, 8997256), (16, 5623285), (20, 4498628), (40, 2249314), (61, 1474960), (80, 1124657), (103, 873520), (122, 737480), (179, 502640), (206, 436760), (244, 368740), (305, 294992), (358, 251320), (412, 218380), (488, 184370), (515, 174704), (610, 147496), (716, 125660), (824, 109190), (895, 100528), (976, 92185), (1030, 87352), (1220, 73748), (1432, 62830), (1648, 54595), (1790, 50264), (2060, 43676), (2440, 36874), (2864, 31415), (3580, 25132), (4120, 21838), (4880, 18437), (6283, 14320), (7160, 12566), (8240, 10919)]