51760180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 117518688

約数和(自身を除く): 65758508

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 107, 134, 190, 214, 268, 335, 361, 380, 428, 535, 670, 722, 1070, 1273, 1340, 1444, 1805, 2033, 2140, 2546, 3610, 4066, 5092, 6365, 7169, 7220, 8132, 10165, 12730, 14338, 20330, 24187, 25460, 28676, 35845, 38627, 40660, 48374, 71690, 77254, 96748, 120935, 136211, 143380, 154508, 193135, 241870, 272422, 386270, 483740, 544844, 681055, 772540, 1362110, 2588009, 2724220, 5176018, 10352036, 12940045, 25880090, 51760180]

約数ペア:

[(1, 51760180), (2, 25880090), (4, 12940045), (5, 10352036), (10, 5176018), (19, 2724220), (20, 2588009), (38, 1362110), (67, 772540), (76, 681055), (95, 544844), (107, 483740), (134, 386270), (190, 272422), (214, 241870), (268, 193135), (335, 154508), (361, 143380), (380, 136211), (428, 120935), (535, 96748), (670, 77254), (722, 71690), (1070, 48374), (1273, 40660), (1340, 38627), (1444, 35845), (1805, 28676), (2033, 25460), (2140, 24187), (2546, 20330), (3610, 14338), (4066, 12730), (5092, 10165), (6365, 8132), (7169, 7220)]