87987640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4127}}^1$

素因数の和:4192

約数の個数: 64

約数和(自身を含む): 218453760

約数和(自身を除く): 130466120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4127, 4264, 5330, 8254, 10660, 16508, 20635, 21320, 33016, 41270, 53651, 82540, 107302, 165080, 169207, 214604, 268255, 338414, 429208, 536510, 676828, 846035, 1073020, 1353656, 1692070, 2146040, 2199691, 3384140, 4399382, 6768280, 8798764, 10998455, 17597528, 21996910, 43993820, 87987640]

約数ペア:

[(1, 87987640), (2, 43993820), (4, 21996910), (5, 17597528), (8, 10998455), (10, 8798764), (13, 6768280), (20, 4399382), (26, 3384140), (40, 2199691), (41, 2146040), (52, 1692070), (65, 1353656), (82, 1073020), (104, 846035), (130, 676828), (164, 536510), (205, 429208), (260, 338414), (328, 268255), (410, 214604), (520, 169207), (533, 165080), (820, 107302), (1066, 82540), (1640, 53651), (2132, 41270), (2665, 33016), (4127, 21320), (4264, 20635), (5330, 16508), (8254, 10660)]