47840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:51

約数の個数: 48

約数和(自身を含む): 127008

約数和(自身を除く): 79168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 368, 416, 460, 520, 598, 736, 920, 1040, 1196, 1495, 1840, 2080, 2392, 2990, 3680, 4784, 5980, 9568, 11960, 23920, 47840]

約数ペア:

[(1, 47840), (2, 23920), (4, 11960), (5, 9568), (8, 5980), (10, 4784), (13, 3680), (16, 2990), (20, 2392), (23, 2080), (26, 1840), (32, 1495), (40, 1196), (46, 1040), (52, 920), (65, 736), (80, 598), (92, 520), (104, 460), (115, 416), (130, 368), (160, 299), (184, 260), (208, 230)]