1631232020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{255679}}^1$

素因数の和:255728

約数の個数: 48

約数和(自身を含む): 3865881600

約数和(自身を除く): 2234649580

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, 255679, 511358, 1022716, 1278395, 2556790, 2812469, 5113580, 5624938, 7414691, 11249876, 14062345, 14829382, 28124690, 29658764, 37073455, 56249380, 74146910, 81561601, 148293820, 163123202, 326246404, 407808005, 815616010, 1631232020]

約数ペア:

[(1, 1631232020), (2, 815616010), (4, 407808005), (5, 326246404), (10, 163123202), (11, 148293820), (20, 81561601), (22, 74146910), (29, 56249380), (44, 37073455), (55, 29658764), (58, 28124690), (110, 14829382), (116, 14062345), (145, 11249876), (220, 7414691), (290, 5624938), (319, 5113580), (580, 2812469), (638, 2556790), (1276, 1278395), (1595, 1022716), (3190, 511358), (6380, 255679)]