87750260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19853}}^1$

素因数の和:19892

約数の個数: 48

約数和(自身を含む): 210134736

約数和(自身を除く): 122384476

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 19853, 39706, 79412, 99265, 198530, 258089, 337501, 397060, 516178, 675002, 1032356, 1290445, 1350004, 1687505, 2580890, 3375010, 4387513, 5161780, 6750020, 8775026, 17550052, 21937565, 43875130, 87750260]

約数ペア:

[(1, 87750260), (2, 43875130), (4, 21937565), (5, 17550052), (10, 8775026), (13, 6750020), (17, 5161780), (20, 4387513), (26, 3375010), (34, 2580890), (52, 1687505), (65, 1350004), (68, 1290445), (85, 1032356), (130, 675002), (170, 516178), (221, 397060), (260, 337501), (340, 258089), (442, 198530), (884, 99265), (1105, 79412), (2210, 39706), (4420, 19853)]