64580890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8269}}^1$

素因数の和:8358

約数の個数: 32

約数和(自身を含む): 128615040

約数和(自身を除く): 64034150

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 8269, 16538, 41345, 82690, 90959, 181918, 454795, 587099, 909590, 1174198, 2935495, 5870990, 6458089, 12916178, 32290445, 64580890]

約数ペア:

[(1, 64580890), (2, 32290445), (5, 12916178), (10, 6458089), (11, 5870990), (22, 2935495), (55, 1174198), (71, 909590), (110, 587099), (142, 454795), (355, 181918), (710, 90959), (781, 82690), (1562, 41345), (3905, 16538), (7810, 8269)]