11639140

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1117}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 24511032

約数和(自身を除く): 12871892

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 1117, 2084, 2234, 2605, 4468, 5210, 5585, 10420, 11170, 22340, 581957, 1163914, 2327828, 2909785, 5819570, 11639140]

約数ペア:

[(1, 11639140), (2, 5819570), (4, 2909785), (5, 2327828), (10, 1163914), (20, 581957), (521, 22340), (1042, 11170), (1117, 10420), (2084, 5585), (2234, 5210), (2605, 4468)]