16786380

素因数分解:

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

素因数の和:21546

約数の個数: 48

約数和(自身を含む): 50619744

約数和(自身を除く): 33833364

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, 21521, 43042, 64563, 86084, 107605, 129126, 215210, 258252, 279773, 322815, 430420, 559546, 645630, 839319, 1119092, 1291260, 1398865, 1678638, 2797730, 3357276, 4196595, 5595460, 8393190, 16786380]

約数ペア:

[(1, 16786380), (2, 8393190), (3, 5595460), (4, 4196595), (5, 3357276), (6, 2797730), (10, 1678638), (12, 1398865), (13, 1291260), (15, 1119092), (20, 839319), (26, 645630), (30, 559546), (39, 430420), (52, 322815), (60, 279773), (65, 258252), (78, 215210), (130, 129126), (156, 107605), (195, 86084), (260, 64563), (390, 43042), (780, 21521)]