1066840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 2430000

約数和(自身を除く): 1363160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 179, 298, 358, 596, 716, 745, 895, 1192, 1432, 1490, 1790, 2980, 3580, 5960, 7160, 26671, 53342, 106684, 133355, 213368, 266710, 533420, 1066840]

約数ペア:

[(1, 1066840), (2, 533420), (4, 266710), (5, 213368), (8, 133355), (10, 106684), (20, 53342), (40, 26671), (149, 7160), (179, 5960), (298, 3580), (358, 2980), (596, 1790), (716, 1490), (745, 1432), (895, 1192)]