8015980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 19869696

約数和(自身を除く): 11853716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 1847, 2170, 3694, 4340, 7388, 9235, 12929, 18470, 25858, 36940, 51716, 57257, 64645, 114514, 129290, 229028, 258580, 286285, 400799, 572570, 801598, 1145140, 1603196, 2003995, 4007990, 8015980]

約数ペア:

[(1, 8015980), (2, 4007990), (4, 2003995), (5, 1603196), (7, 1145140), (10, 801598), (14, 572570), (20, 400799), (28, 286285), (31, 258580), (35, 229028), (62, 129290), (70, 114514), (124, 64645), (140, 57257), (155, 51716), (217, 36940), (310, 25858), (434, 18470), (620, 12929), (868, 9235), (1085, 7388), (1847, 4340), (2170, 3694)]