25179570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21521}}^1$

素因数の和:21547

約数の個数: 48

約数和(自身を含む): 70506072

約数和(自身を除く): 45326502

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 21521, 43042, 64563, 107605, 129126, 193689, 215210, 279773, 322815, 387378, 559546, 645630, 839319, 968445, 1398865, 1678638, 1936890, 2517957, 2797730, 4196595, 5035914, 8393190, 12589785, 25179570]

約数ペア:

[(1, 25179570), (2, 12589785), (3, 8393190), (5, 5035914), (6, 4196595), (9, 2797730), (10, 2517957), (13, 1936890), (15, 1678638), (18, 1398865), (26, 968445), (30, 839319), (39, 645630), (45, 559546), (65, 387378), (78, 322815), (90, 279773), (117, 215210), (130, 193689), (195, 129126), (234, 107605), (390, 64563), (585, 43042), (1170, 21521)]