2007651620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{40009}}^1$

素因数の和:40224

約数の個数: 48

約数和(自身を含む): 4564020720

約数和(自身を除く): 2556369100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 386, 772, 965, 1930, 2509, 3860, 5018, 10036, 12545, 25090, 40009, 50180, 80018, 160036, 200045, 400090, 520117, 800180, 1040234, 2080468, 2600585, 5201170, 7721737, 10402340, 15443474, 30886948, 38608685, 77217370, 100382581, 154434740, 200765162, 401530324, 501912905, 1003825810, 2007651620]

約数ペア:

[(1, 2007651620), (2, 1003825810), (4, 501912905), (5, 401530324), (10, 200765162), (13, 154434740), (20, 100382581), (26, 77217370), (52, 38608685), (65, 30886948), (130, 15443474), (193, 10402340), (260, 7721737), (386, 5201170), (772, 2600585), (965, 2080468), (1930, 1040234), (2509, 800180), (3860, 520117), (5018, 400090), (10036, 200045), (12545, 160036), (25090, 80018), (40009, 50180)]