12491440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12011}}^1$

素因数の和:12037

約数の個数: 40

約数和(自身を含む): 31279248

約数和(自身を除く): 18787808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12011, 24022, 48044, 60055, 96088, 120110, 156143, 192176, 240220, 312286, 480440, 624572, 780715, 960880, 1249144, 1561430, 2498288, 3122860, 6245720, 12491440]

約数ペア:

[(1, 12491440), (2, 6245720), (4, 3122860), (5, 2498288), (8, 1561430), (10, 1249144), (13, 960880), (16, 780715), (20, 624572), (26, 480440), (40, 312286), (52, 240220), (65, 192176), (80, 156143), (104, 120110), (130, 96088), (208, 60055), (260, 48044), (520, 24022), (1040, 12011)]