22510020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28859}}^1$

素因数の和:28884

約数の個数: 48

約数和(自身を含む): 67878720

約数和(自身を除く): 45368700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 28859, 57718, 86577, 115436, 144295, 173154, 288590, 346308, 375167, 432885, 577180, 750334, 865770, 1125501, 1500668, 1731540, 1875835, 2251002, 3751670, 4502004, 5627505, 7503340, 11255010, 22510020]

約数ペア:

[(1, 22510020), (2, 11255010), (3, 7503340), (4, 5627505), (5, 4502004), (6, 3751670), (10, 2251002), (12, 1875835), (13, 1731540), (15, 1500668), (20, 1125501), (26, 865770), (30, 750334), (39, 577180), (52, 432885), (60, 375167), (65, 346308), (78, 288590), (130, 173154), (156, 144295), (195, 115436), (260, 86577), (390, 57718), (780, 28859)]