40805282440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78471697}}^1$

素因数の和:78471721

約数の個数: 32

約数和(自身を含む): 98874339480

約数和(自身を除く): 58069057040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78471697, 156943394, 313886788, 392358485, 627773576, 784716970, 1020132061, 1569433940, 2040264122, 3138867880, 4080528244, 5100660305, 8161056488, 10201320610, 20402641220, 40805282440]

約数ペア:

[(1, 40805282440), (2, 20402641220), (4, 10201320610), (5, 8161056488), (8, 5100660305), (10, 4080528244), (13, 3138867880), (20, 2040264122), (26, 1569433940), (40, 1020132061), (52, 784716970), (65, 627773576), (104, 392358485), (130, 313886788), (260, 156943394), (520, 78471697)]