2803580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 6519744

約数和(自身を除く): 3716164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 263, 410, 526, 533, 820, 1052, 1066, 1315, 2132, 2630, 2665, 3419, 5260, 5330, 6838, 10660, 10783, 13676, 17095, 21566, 34190, 43132, 53915, 68380, 107830, 140179, 215660, 280358, 560716, 700895, 1401790, 2803580]

約数ペア:

[(1, 2803580), (2, 1401790), (4, 700895), (5, 560716), (10, 280358), (13, 215660), (20, 140179), (26, 107830), (41, 68380), (52, 53915), (65, 43132), (82, 34190), (130, 21566), (164, 17095), (205, 13676), (260, 10783), (263, 10660), (410, 6838), (526, 5330), (533, 5260), (820, 3419), (1052, 2665), (1066, 2630), (1315, 2132)]