28802540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2357}}^1$

素因数の和:2426

約数の個数: 48

約数和(自身を含む): 66552192

約数和(自身を除く): 37749652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2357, 2444, 3055, 4714, 6110, 9428, 11785, 12220, 23570, 30641, 47140, 61282, 110779, 122564, 153205, 221558, 306410, 443116, 553895, 612820, 1107790, 1440127, 2215580, 2880254, 5760508, 7200635, 14401270, 28802540]

約数ペア:

[(1, 28802540), (2, 14401270), (4, 7200635), (5, 5760508), (10, 2880254), (13, 2215580), (20, 1440127), (26, 1107790), (47, 612820), (52, 553895), (65, 443116), (94, 306410), (130, 221558), (188, 153205), (235, 122564), (260, 110779), (470, 61282), (611, 47140), (940, 30641), (1222, 23570), (2357, 12220), (2444, 11785), (3055, 9428), (4714, 6110)]