129832040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{249677}}^1$

素因数の和:249701

約数の個数: 32

約数和(自身を含む): 314594280

約数和(自身を除く): 184762240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 249677, 499354, 998708, 1248385, 1997416, 2496770, 3245801, 4993540, 6491602, 9987080, 12983204, 16229005, 25966408, 32458010, 64916020, 129832040]

約数ペア:

[(1, 129832040), (2, 64916020), (4, 32458010), (5, 25966408), (8, 16229005), (10, 12983204), (13, 9987080), (20, 6491602), (26, 4993540), (40, 3245801), (52, 2496770), (65, 1997416), (104, 1248385), (130, 998708), (260, 499354), (520, 249677)]