28920580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2713}}^1$

素因数の和:2776

約数の個数: 48

約数和(自身を含む): 67024944

約数和(自身を除く): 38104364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 2713, 5330, 5426, 10660, 10852, 13565, 27130, 35269, 54260, 70538, 111233, 141076, 176345, 222466, 352690, 444932, 556165, 705380, 1112330, 1446029, 2224660, 2892058, 5784116, 7230145, 14460290, 28920580]

約数ペア:

[(1, 28920580), (2, 14460290), (4, 7230145), (5, 5784116), (10, 2892058), (13, 2224660), (20, 1446029), (26, 1112330), (41, 705380), (52, 556165), (65, 444932), (82, 352690), (130, 222466), (164, 176345), (205, 141076), (260, 111233), (410, 70538), (533, 54260), (820, 35269), (1066, 27130), (2132, 13565), (2665, 10852), (2713, 10660), (5330, 5426)]