129615980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{498523}}^1$

素因数の和:498545

約数の個数: 24

約数和(自身を含む): 293132112

約数和(自身を除く): 163516132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 498523, 997046, 1994092, 2492615, 4985230, 6480799, 9970460, 12961598, 25923196, 32403995, 64807990, 129615980]

約数ペア:

[(1, 129615980), (2, 64807990), (4, 32403995), (5, 25923196), (10, 12961598), (13, 9970460), (20, 6480799), (26, 4985230), (52, 2492615), (65, 1994092), (130, 997046), (260, 498523)]