11851580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 27189120

約数和(自身を除く): 15337540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 577, 790, 1027, 1154, 1580, 2054, 2308, 2885, 4108, 5135, 5770, 7501, 10270, 11540, 15002, 20540, 30004, 37505, 45583, 75010, 91166, 150020, 182332, 227915, 455830, 592579, 911660, 1185158, 2370316, 2962895, 5925790, 11851580]

約数ペア:

[(1, 11851580), (2, 5925790), (4, 2962895), (5, 2370316), (10, 1185158), (13, 911660), (20, 592579), (26, 455830), (52, 227915), (65, 182332), (79, 150020), (130, 91166), (158, 75010), (260, 45583), (316, 37505), (395, 30004), (577, 20540), (790, 15002), (1027, 11540), (1154, 10270), (1580, 7501), (2054, 5770), (2308, 5135), (2885, 4108)]