17715620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 40757808

約数和(自身を除く): 23042188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1117, 1220, 1586, 2234, 3172, 3965, 4468, 5585, 7930, 11170, 14521, 15860, 22340, 29042, 58084, 68137, 72605, 136274, 145210, 272548, 290420, 340685, 681370, 885781, 1362740, 1771562, 3543124, 4428905, 8857810, 17715620]

約数ペア:

[(1, 17715620), (2, 8857810), (4, 4428905), (5, 3543124), (10, 1771562), (13, 1362740), (20, 885781), (26, 681370), (52, 340685), (61, 290420), (65, 272548), (122, 145210), (130, 136274), (244, 72605), (260, 68137), (305, 58084), (610, 29042), (793, 22340), (1117, 15860), (1220, 14521), (1586, 11170), (2234, 7930), (3172, 5585), (3965, 4468)]