64371340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2897}}^1$

素因数の和:3018

約数の個数: 48

約数和(自身を含む): 148980384

約数和(自身を除く): 84609044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 2897, 4444, 5555, 5794, 11110, 11588, 14485, 22220, 28970, 31867, 57940, 63734, 127468, 159335, 292597, 318670, 585194, 637340, 1170388, 1462985, 2925970, 3218567, 5851940, 6437134, 12874268, 16092835, 32185670, 64371340]

約数ペア:

[(1, 64371340), (2, 32185670), (4, 16092835), (5, 12874268), (10, 6437134), (11, 5851940), (20, 3218567), (22, 2925970), (44, 1462985), (55, 1170388), (101, 637340), (110, 585194), (202, 318670), (220, 292597), (404, 159335), (505, 127468), (1010, 63734), (1111, 57940), (2020, 31867), (2222, 28970), (2897, 22220), (4444, 14485), (5555, 11588), (5794, 11110)]