201601420

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{55691}}^1$

素因数の和:55881

約数の個数: 24

約数和(自身を含む): 425709648

約数和(自身を除く): 224108228

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 55691, 111382, 222764, 278455, 556910, 1113820, 10080071, 20160142, 40320284, 50400355, 100800710, 201601420]

約数ペア:

[(1, 201601420), (2, 100800710), (4, 50400355), (5, 40320284), (10, 20160142), (20, 10080071), (181, 1113820), (362, 556910), (724, 278455), (905, 222764), (1810, 111382), (3620, 55691)]