12040820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 27820800

約数和(自身を除く): 15779980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 239, 458, 478, 916, 956, 1145, 1195, 2290, 2390, 2519, 2629, 4580, 4780, 5038, 5258, 10076, 10516, 12595, 13145, 25190, 26290, 50380, 52580, 54731, 109462, 218924, 273655, 547310, 602041, 1094620, 1204082, 2408164, 3010205, 6020410, 12040820]

約数ペア:

[(1, 12040820), (2, 6020410), (4, 3010205), (5, 2408164), (10, 1204082), (11, 1094620), (20, 602041), (22, 547310), (44, 273655), (55, 218924), (110, 109462), (220, 54731), (229, 52580), (239, 50380), (458, 26290), (478, 25190), (916, 13145), (956, 12595), (1145, 10516), (1195, 10076), (2290, 5258), (2390, 5038), (2519, 4780), (2629, 4580)]