64689020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{26731}}^1$

素因数の和:26762

約数の個数: 36

約数和(自身を含む): 149324952

約数和(自身を除く): 84635932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 26731, 53462, 106924, 133655, 267310, 294041, 534620, 588082, 1176164, 1470205, 2940410, 3234451, 5880820, 6468902, 12937804, 16172255, 32344510, 64689020]

約数ペア:

[(1, 64689020), (2, 32344510), (4, 16172255), (5, 12937804), (10, 6468902), (11, 5880820), (20, 3234451), (22, 2940410), (44, 1470205), (55, 1176164), (110, 588082), (121, 534620), (220, 294041), (242, 267310), (484, 133655), (605, 106924), (1210, 53462), (2420, 26731)]