9630440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3391}}^1$

素因数の和:3473

約数の個数: 32

約数和(自身を含む): 21980160

約数和(自身を除く): 12349720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3391, 6782, 13564, 16955, 27128, 33910, 67820, 135640, 240761, 481522, 963044, 1203805, 1926088, 2407610, 4815220, 9630440]

約数ペア:

[(1, 9630440), (2, 4815220), (4, 2407610), (5, 1926088), (8, 1203805), (10, 963044), (20, 481522), (40, 240761), (71, 135640), (142, 67820), (284, 33910), (355, 27128), (568, 16955), (710, 13564), (1420, 6782), (2840, 3391)]