31244620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12911}}^1$

素因数の和:12942

約数の個数: 36

約数和(自身を含む): 72126432

約数和(自身を除く): 40881812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 12911, 25822, 51644, 64555, 129110, 142021, 258220, 284042, 568084, 710105, 1420210, 1562231, 2840420, 3124462, 6248924, 7811155, 15622310, 31244620]

約数ペア:

[(1, 31244620), (2, 15622310), (4, 7811155), (5, 6248924), (10, 3124462), (11, 2840420), (20, 1562231), (22, 1420210), (44, 710105), (55, 568084), (110, 284042), (121, 258220), (220, 142021), (242, 129110), (484, 64555), (605, 51644), (1210, 25822), (2420, 12911)]