64866320

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3083}}^1$

素因数の和:3359

約数の個数: 40

約数和(自身を含む): 151436736

約数和(自身を除く): 86570416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 3083, 4208, 5260, 6166, 10520, 12332, 15415, 21040, 24664, 30830, 49328, 61660, 123320, 246640, 810829, 1621658, 3243316, 4054145, 6486632, 8108290, 12973264, 16216580, 32433160, 64866320]

約数ペア:

[(1, 64866320), (2, 32433160), (4, 16216580), (5, 12973264), (8, 8108290), (10, 6486632), (16, 4054145), (20, 3243316), (40, 1621658), (80, 810829), (263, 246640), (526, 123320), (1052, 61660), (1315, 49328), (2104, 30830), (2630, 24664), (3083, 21040), (4208, 15415), (5260, 12332), (6166, 10520)]