31204314920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2633}}^1\times {\mathrm{3329}}^1$

素因数の和:6062

約数の個数: 64

約数和(自身を含む): 71046882000

約数和(自身を除く): 39842567080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2633, 3329, 3560, 5266, 6658, 10532, 13165, 13316, 16645, 21064, 26330, 26632, 33290, 52660, 66580, 105320, 133160, 234337, 296281, 468674, 592562, 937348, 1171685, 1185124, 1481405, 1874696, 2343370, 2370248, 2962810, 4686740, 5925620, 8765257, 9373480, 11851240, 17530514, 35061028, 43826285, 70122056, 87652570, 175305140, 350610280, 780107873, 1560215746, 3120431492, 3900539365, 6240862984, 7801078730, 15602157460, 31204314920]

約数ペア:

[(1, 31204314920), (2, 15602157460), (4, 7801078730), (5, 6240862984), (8, 3900539365), (10, 3120431492), (20, 1560215746), (40, 780107873), (89, 350610280), (178, 175305140), (356, 87652570), (445, 70122056), (712, 43826285), (890, 35061028), (1780, 17530514), (2633, 11851240), (3329, 9373480), (3560, 8765257), (5266, 5925620), (6658, 4686740), (10532, 2962810), (13165, 2370248), (13316, 2343370), (16645, 1874696), (21064, 1481405), (26330, 1185124), (26632, 1171685), (33290, 937348), (52660, 592562), (66580, 468674), (105320, 296281), (133160, 234337)]