64190390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8219}}^1$

素因数の和:8308

約数の個数: 32

約数和(自身を含む): 127837440

約数和(自身を除く): 63647050

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 8219, 16438, 41095, 82190, 90409, 180818, 452045, 583549, 904090, 1167098, 2917745, 5835490, 6419039, 12838078, 32095195, 64190390]

約数ペア:

[(1, 64190390), (2, 32095195), (5, 12838078), (10, 6419039), (11, 5835490), (22, 2917745), (55, 1167098), (71, 904090), (110, 583549), (142, 452045), (355, 180818), (710, 90409), (781, 82190), (1562, 41095), (3905, 16438), (7810, 8219)]