12839270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 24192000

約数和(自身を除く): 11352730

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 499, 830, 998, 2495, 2573, 4990, 5146, 12865, 15469, 25730, 30938, 41417, 77345, 82834, 154690, 207085, 414170, 1283927, 2567854, 6419635, 12839270]

約数ペア:

[(1, 12839270), (2, 6419635), (5, 2567854), (10, 1283927), (31, 414170), (62, 207085), (83, 154690), (155, 82834), (166, 77345), (310, 41417), (415, 30938), (499, 25730), (830, 15469), (998, 12865), (2495, 5146), (2573, 4990)]