4985980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13121}}^1$

素因数の和:13149

約数の個数: 24

約数和(自身を含む): 11022480

約数和(自身を除く): 6036500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 13121, 26242, 52484, 65605, 131210, 249299, 262420, 498598, 997196, 1246495, 2492990, 4985980]

約数ペア:

[(1, 4985980), (2, 2492990), (4, 1246495), (5, 997196), (10, 498598), (19, 262420), (20, 249299), (38, 131210), (76, 65605), (95, 52484), (190, 26242), (380, 13121)]