77450440

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3391}}^1$

素因数の和:3973

約数の個数: 32

約数和(自身を含む): 174620160

約数和(自身を除く): 97169720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 3391, 4568, 5710, 6782, 11420, 13564, 16955, 22840, 27128, 33910, 67820, 135640, 1936261, 3872522, 7745044, 9681305, 15490088, 19362610, 38725220, 77450440]

約数ペア:

[(1, 77450440), (2, 38725220), (4, 19362610), (5, 15490088), (8, 9681305), (10, 7745044), (20, 3872522), (40, 1936261), (571, 135640), (1142, 67820), (2284, 33910), (2855, 27128), (3391, 22840), (4568, 16955), (5710, 13564), (6782, 11420)]