55328840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{28229}}^1$

素因数の和:28254

約数の個数: 48

約数和(自身を含む): 144819900

約数和(自身を除く): 89491060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 28229, 56458, 112916, 141145, 197603, 225832, 282290, 395206, 564580, 790412, 988015, 1129160, 1383221, 1580824, 1976030, 2766442, 3952060, 5532884, 6916105, 7904120, 11065768, 13832210, 27664420, 55328840]

約数ペア:

[(1, 55328840), (2, 27664420), (4, 13832210), (5, 11065768), (7, 7904120), (8, 6916105), (10, 5532884), (14, 3952060), (20, 2766442), (28, 1976030), (35, 1580824), (40, 1383221), (49, 1129160), (56, 988015), (70, 790412), (98, 564580), (140, 395206), (196, 282290), (245, 225832), (280, 197603), (392, 141145), (490, 112916), (980, 56458), (1960, 28229)]