691604680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1330009}}^1$

素因数の和:1330033

約数の個数: 32

約数和(自身を含む): 1675812600

約数和(自身を除く): 984207920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1330009, 2660018, 5320036, 6650045, 10640072, 13300090, 17290117, 26600180, 34580234, 53200360, 69160468, 86450585, 138320936, 172901170, 345802340, 691604680]

約数ペア:

[(1, 691604680), (2, 345802340), (4, 172901170), (5, 138320936), (8, 86450585), (10, 69160468), (13, 53200360), (20, 34580234), (26, 26600180), (40, 17290117), (52, 13300090), (65, 10640072), (104, 6650045), (130, 5320036), (260, 2660018), (520, 1330009)]