264680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 642600

約数和(自身を除く): 377920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 509, 520, 1018, 2036, 2545, 4072, 5090, 6617, 10180, 13234, 20360, 26468, 33085, 52936, 66170, 132340, 264680]

約数ペア:

[(1, 264680), (2, 132340), (4, 66170), (5, 52936), (8, 33085), (10, 26468), (13, 20360), (20, 13234), (26, 10180), (40, 6617), (52, 5090), (65, 4072), (104, 2545), (130, 2036), (260, 1018), (509, 520)]