64839940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{10163}}^1$

素因数の和:10212

約数の個数: 48

約数和(自身を含む): 153679680

約数和(自身を除く): 88839740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 10163, 20326, 40652, 50815, 101630, 111793, 203260, 223586, 294727, 447172, 558965, 589454, 1117930, 1178908, 1473635, 2235860, 2947270, 3241997, 5894540, 6483994, 12967988, 16209985, 32419970, 64839940]

約数ペア:

[(1, 64839940), (2, 32419970), (4, 16209985), (5, 12967988), (10, 6483994), (11, 5894540), (20, 3241997), (22, 2947270), (29, 2235860), (44, 1473635), (55, 1178908), (58, 1117930), (110, 589454), (116, 558965), (145, 447172), (220, 294727), (290, 223586), (319, 203260), (580, 111793), (638, 101630), (1276, 50815), (1595, 40652), (3190, 20326), (6380, 10163)]