2007604820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{40427}}^1$

素因数の和:40640

約数の個数: 48

約数和(自身を含む): 4564159488

約数和(自身を除く): 2556554668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 955, 1910, 2483, 3820, 4966, 9932, 12415, 24830, 40427, 49660, 80854, 161708, 202135, 404270, 525551, 808540, 1051102, 2102204, 2627755, 5255510, 7721557, 10511020, 15443114, 30886228, 38607785, 77215570, 100380241, 154431140, 200760482, 401520964, 501901205, 1003802410, 2007604820]

約数ペア:

[(1, 2007604820), (2, 1003802410), (4, 501901205), (5, 401520964), (10, 200760482), (13, 154431140), (20, 100380241), (26, 77215570), (52, 38607785), (65, 30886228), (130, 15443114), (191, 10511020), (260, 7721557), (382, 5255510), (764, 2627755), (955, 2102204), (1910, 1051102), (2483, 808540), (3820, 525551), (4966, 404270), (9932, 202135), (12415, 161708), (24830, 80854), (40427, 49660)]