25489360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24509}}^1$

素因数の和:24535

約数の個数: 40

約数和(自身を含む): 63824040

約数和(自身を除く): 38334680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24509, 49018, 98036, 122545, 196072, 245090, 318617, 392144, 490180, 637234, 980360, 1274468, 1593085, 1960720, 2548936, 3186170, 5097872, 6372340, 12744680, 25489360]

約数ペア:

[(1, 25489360), (2, 12744680), (4, 6372340), (5, 5097872), (8, 3186170), (10, 2548936), (13, 1960720), (16, 1593085), (20, 1274468), (26, 980360), (40, 637234), (52, 490180), (65, 392144), (80, 318617), (104, 245090), (130, 196072), (208, 122545), (260, 98036), (520, 49018), (1040, 24509)]