39809456

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{967}}^1$

素因数の和:1089

約数の個数: 40

約数和(自身を含む): 80661504

約数和(自身を除く): 40852048

約数列:

[1, 2, 4, 8, 16, 31, 62, 83, 124, 166, 248, 332, 496, 664, 967, 1328, 1934, 2573, 3868, 5146, 7736, 10292, 15472, 20584, 29977, 41168, 59954, 80261, 119908, 160522, 239816, 321044, 479632, 642088, 1284176, 2488091, 4976182, 9952364, 19904728, 39809456]

約数ペア:

[(1, 39809456), (2, 19904728), (4, 9952364), (8, 4976182), (16, 2488091), (31, 1284176), (62, 642088), (83, 479632), (124, 321044), (166, 239816), (248, 160522), (332, 119908), (496, 80261), (664, 59954), (967, 41168), (1328, 29977), (1934, 20584), (2573, 15472), (3868, 10292), (5146, 7736)]