531936080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{511477}}^1$

素因数の和:511503

約数の個数: 40

約数和(自身を含む): 1331888712

約数和(自身を除く): 799952632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 511477, 1022954, 2045908, 2557385, 4091816, 5114770, 6649201, 8183632, 10229540, 13298402, 20459080, 26596804, 33246005, 40918160, 53193608, 66492010, 106387216, 132984020, 265968040, 531936080]

約数ペア:

[(1, 531936080), (2, 265968040), (4, 132984020), (5, 106387216), (8, 66492010), (10, 53193608), (13, 40918160), (16, 33246005), (20, 26596804), (26, 20459080), (40, 13298402), (52, 10229540), (65, 8183632), (80, 6649201), (104, 5114770), (130, 4091816), (208, 2557385), (260, 2045908), (520, 1022954), (1040, 511477)]