84945380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1367}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 193052160

約数和(自身を除く): 108106780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 1195, 1367, 2390, 2734, 3107, 4780, 5468, 6214, 6835, 12428, 13670, 15535, 17771, 27340, 31070, 35542, 62140, 71084, 88855, 177710, 326713, 355420, 653426, 1306852, 1633565, 3267130, 4247269, 6534260, 8494538, 16989076, 21236345, 42472690, 84945380]

約数ペア:

[(1, 84945380), (2, 42472690), (4, 21236345), (5, 16989076), (10, 8494538), (13, 6534260), (20, 4247269), (26, 3267130), (52, 1633565), (65, 1306852), (130, 653426), (239, 355420), (260, 326713), (478, 177710), (956, 88855), (1195, 71084), (1367, 62140), (2390, 35542), (2734, 31070), (3107, 27340), (4780, 17771), (5468, 15535), (6214, 13670), (6835, 12428)]