64834760

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{6163}}^1$

素因数の和:6437

約数の個数: 32

約数和(自身を含む): 146456640

約数和(自身を除く): 81621880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 6163, 10520, 12326, 24652, 30815, 49304, 61630, 123260, 246520, 1620869, 3241738, 6483476, 8104345, 12966952, 16208690, 32417380, 64834760]

約数ペア:

[(1, 64834760), (2, 32417380), (4, 16208690), (5, 12966952), (8, 8104345), (10, 6483476), (20, 3241738), (40, 1620869), (263, 246520), (526, 123260), (1052, 61630), (1315, 49304), (2104, 30815), (2630, 24652), (5260, 12326), (6163, 10520)]