25679680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6173}}^1$

素因数の和:6203

約数の個数: 56

約数和(自身を含む): 65864232

約数和(自身を除く): 40184552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 6173, 12346, 24692, 30865, 49384, 61730, 80249, 98768, 123460, 160498, 197536, 246920, 320996, 395072, 401245, 493840, 641992, 802490, 987680, 1283984, 1604980, 1975360, 2567968, 3209960, 5135936, 6419920, 12839840, 25679680]

約数ペア:

[(1, 25679680), (2, 12839840), (4, 6419920), (5, 5135936), (8, 3209960), (10, 2567968), (13, 1975360), (16, 1604980), (20, 1283984), (26, 987680), (32, 802490), (40, 641992), (52, 493840), (64, 401245), (65, 395072), (80, 320996), (104, 246920), (130, 197536), (160, 160498), (208, 123460), (260, 98768), (320, 80249), (416, 61730), (520, 49384), (832, 30865), (1040, 24692), (2080, 12346), (4160, 6173)]