87876940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3457}}^1$

素因数の和:3538

約数の個数: 48

約数和(自身を含む): 195197184

約数和(自身を除く): 107320244

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 3457, 5084, 6355, 6914, 12710, 13828, 17285, 25420, 34570, 69140, 107167, 141737, 214334, 283474, 428668, 535835, 566948, 708685, 1071670, 1417370, 2143340, 2834740, 4393847, 8787694, 17575388, 21969235, 43938470, 87876940]

約数ペア:

[(1, 87876940), (2, 43938470), (4, 21969235), (5, 17575388), (10, 8787694), (20, 4393847), (31, 2834740), (41, 2143340), (62, 1417370), (82, 1071670), (124, 708685), (155, 566948), (164, 535835), (205, 428668), (310, 283474), (410, 214334), (620, 141737), (820, 107167), (1271, 69140), (2542, 34570), (3457, 25420), (5084, 17285), (6355, 13828), (6914, 12710)]