1945408040

素因数分解:

$2^3\times 5^1\times {\mathrm{2843}}^1\times {\mathrm{17107}}^1$

素因数の和:19961

約数の個数: 32

約数和(自身を含む): 4378963680

約数和(自身を除く): 2433555640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2843, 5686, 11372, 14215, 17107, 22744, 28430, 34214, 56860, 68428, 85535, 113720, 136856, 171070, 342140, 684280, 48635201, 97270402, 194540804, 243176005, 389081608, 486352010, 972704020, 1945408040]

約数ペア:

[(1, 1945408040), (2, 972704020), (4, 486352010), (5, 389081608), (8, 243176005), (10, 194540804), (20, 97270402), (40, 48635201), (2843, 684280), (5686, 342140), (11372, 171070), (14215, 136856), (17107, 113720), (22744, 85535), (28430, 68428), (34214, 56860)]