2019970040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4590841}}^1$

素因数の和:4590863

約数の個数: 32

約数和(自身を含む): 4958109360

約数和(自身を除く): 2938139320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4590841, 9181682, 18363364, 22954205, 36726728, 45908410, 50499251, 91816820, 100998502, 183633640, 201997004, 252496255, 403994008, 504992510, 1009985020, 2019970040]

約数ペア:

[(1, 2019970040), (2, 1009985020), (4, 504992510), (5, 403994008), (8, 252496255), (10, 201997004), (11, 183633640), (20, 100998502), (22, 91816820), (40, 50499251), (44, 45908410), (55, 36726728), (88, 22954205), (110, 18363364), (220, 9181682), (440, 4590841)]