64620790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2777}}^1$

素因数の和:2976

約数の個数: 32

約数和(自身を含む): 126010080

約数和(自身を除く): 61389290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 179, 358, 895, 1790, 2327, 2777, 4654, 5554, 11635, 13885, 23270, 27770, 36101, 72202, 180505, 361010, 497083, 994166, 2485415, 4970830, 6462079, 12924158, 32310395, 64620790]

約数ペア:

[(1, 64620790), (2, 32310395), (5, 12924158), (10, 6462079), (13, 4970830), (26, 2485415), (65, 994166), (130, 497083), (179, 361010), (358, 180505), (895, 72202), (1790, 36101), (2327, 27770), (2777, 23270), (4654, 13885), (5554, 11635)]