8789000540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1619}}^1\times {\mathrm{3823}}^1$

素因数の和:5522

約数の個数: 48

約数和(自身を含む): 18733317120

約数和(自身を除く): 9944316580

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1619, 3238, 3823, 6476, 7646, 8095, 15292, 16190, 19115, 32380, 38230, 76460, 114949, 229898, 271433, 459796, 542866, 574745, 1085732, 1149490, 1357165, 2298980, 2714330, 5428660, 6189437, 12378874, 24757748, 30947185, 61894370, 123788740, 439450027, 878900054, 1757800108, 2197250135, 4394500270, 8789000540]

約数ペア:

[(1, 8789000540), (2, 4394500270), (4, 2197250135), (5, 1757800108), (10, 878900054), (20, 439450027), (71, 123788740), (142, 61894370), (284, 30947185), (355, 24757748), (710, 12378874), (1420, 6189437), (1619, 5428660), (3238, 2714330), (3823, 2298980), (6476, 1357165), (7646, 1149490), (8095, 1085732), (15292, 574745), (16190, 542866), (19115, 459796), (32380, 271433), (38230, 229898), (76460, 114949)]