8002020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10259}}^1$

素因数の和:10284

約数の個数: 48

約数和(自身を含む): 24131520

約数和(自身を除く): 16129500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 10259, 20518, 30777, 41036, 51295, 61554, 102590, 123108, 133367, 153885, 205180, 266734, 307770, 400101, 533468, 615540, 666835, 800202, 1333670, 1600404, 2000505, 2667340, 4001010, 8002020]

約数ペア:

[(1, 8002020), (2, 4001010), (3, 2667340), (4, 2000505), (5, 1600404), (6, 1333670), (10, 800202), (12, 666835), (13, 615540), (15, 533468), (20, 400101), (26, 307770), (30, 266734), (39, 205180), (52, 153885), (60, 133367), (65, 123108), (78, 102590), (130, 61554), (156, 51295), (195, 41036), (260, 30777), (390, 20518), (780, 10259)]