65875420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{253367}}^1$

素因数の和:253389

約数の個数: 24

約数和(自身を含む): 148980384

約数和(自身を除く): 83104964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 253367, 506734, 1013468, 1266835, 2533670, 3293771, 5067340, 6587542, 13175084, 16468855, 32937710, 65875420]

約数ペア:

[(1, 65875420), (2, 32937710), (4, 16468855), (5, 13175084), (10, 6587542), (13, 5067340), (20, 3293771), (26, 2533670), (52, 1266835), (65, 1013468), (130, 506734), (260, 253367)]