90594920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{174221}}^1$

素因数の和:174245

約数の個数: 32

約数和(自身を含む): 219519720

約数和(自身を除く): 128924800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 174221, 348442, 696884, 871105, 1393768, 1742210, 2264873, 3484420, 4529746, 6968840, 9059492, 11324365, 18118984, 22648730, 45297460, 90594920]

約数ペア:

[(1, 90594920), (2, 45297460), (4, 22648730), (5, 18118984), (8, 11324365), (10, 9059492), (13, 6968840), (20, 4529746), (26, 3484420), (40, 2264873), (52, 1742210), (65, 1393768), (104, 871105), (130, 696884), (260, 348442), (520, 174221)]