86978600

素因数分解:

$2^3\times 5^2\times {\mathrm{421}}^1\times {\mathrm{1033}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 202901820

約数和(自身を除く): 115923220

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 421, 842, 1033, 1684, 2066, 2105, 3368, 4132, 4210, 5165, 8264, 8420, 10330, 10525, 16840, 20660, 21050, 25825, 41320, 42100, 51650, 84200, 103300, 206600, 434893, 869786, 1739572, 2174465, 3479144, 4348930, 8697860, 10872325, 17395720, 21744650, 43489300, 86978600]

約数ペア:

[(1, 86978600), (2, 43489300), (4, 21744650), (5, 17395720), (8, 10872325), (10, 8697860), (20, 4348930), (25, 3479144), (40, 2174465), (50, 1739572), (100, 869786), (200, 434893), (421, 206600), (842, 103300), (1033, 84200), (1684, 51650), (2066, 42100), (2105, 41320), (3368, 25825), (4132, 21050), (4210, 20660), (5165, 16840), (8264, 10525), (8420, 10330)]