25307490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64891}}^1$

素因数の和:64914

約数の個数: 32

約数和(自身を含む): 65411136

約数和(自身を除く): 40103646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 64891, 129782, 194673, 324455, 389346, 648910, 843583, 973365, 1687166, 1946730, 2530749, 4217915, 5061498, 8435830, 12653745, 25307490]

約数ペア:

[(1, 25307490), (2, 12653745), (3, 8435830), (5, 5061498), (6, 4217915), (10, 2530749), (13, 1946730), (15, 1687166), (26, 973365), (30, 843583), (39, 648910), (65, 389346), (78, 324455), (130, 194673), (195, 129782), (390, 64891)]