8665780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 19192320

約数和(自身を除く): 10526540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 223, 268, 290, 335, 446, 580, 670, 892, 1115, 1340, 1943, 2230, 3886, 4460, 6467, 7772, 9715, 12934, 14941, 19430, 25868, 29882, 32335, 38860, 59764, 64670, 74705, 129340, 149410, 298820, 433289, 866578, 1733156, 2166445, 4332890, 8665780]

約数ペア:

[(1, 8665780), (2, 4332890), (4, 2166445), (5, 1733156), (10, 866578), (20, 433289), (29, 298820), (58, 149410), (67, 129340), (116, 74705), (134, 64670), (145, 59764), (223, 38860), (268, 32335), (290, 29882), (335, 25868), (446, 19430), (580, 14941), (670, 12934), (892, 9715), (1115, 7772), (1340, 6467), (1943, 4460), (2230, 3886)]