25697360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24709}}^1$

素因数の和:24735

約数の個数: 40

約数和(自身を含む): 64344840

約数和(自身を除く): 38647480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24709, 49418, 98836, 123545, 197672, 247090, 321217, 395344, 494180, 642434, 988360, 1284868, 1606085, 1976720, 2569736, 3212170, 5139472, 6424340, 12848680, 25697360]

約数ペア:

[(1, 25697360), (2, 12848680), (4, 6424340), (5, 5139472), (8, 3212170), (10, 2569736), (13, 1976720), (16, 1606085), (20, 1284868), (26, 988360), (40, 642434), (52, 494180), (65, 395344), (80, 321217), (104, 247090), (130, 197672), (208, 123545), (260, 98836), (520, 49418), (1040, 24709)]