27578120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 66052800

約数和(自身を除く): 38474680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 131, 152, 190, 262, 277, 380, 524, 554, 655, 760, 1048, 1108, 1310, 1385, 2216, 2489, 2620, 2770, 4978, 5240, 5263, 5540, 9956, 10526, 11080, 12445, 19912, 21052, 24890, 26315, 36287, 42104, 49780, 52630, 72574, 99560, 105260, 145148, 181435, 210520, 290296, 362870, 689453, 725740, 1378906, 1451480, 2757812, 3447265, 5515624, 6894530, 13789060, 27578120]

約数ペア:

[(1, 27578120), (2, 13789060), (4, 6894530), (5, 5515624), (8, 3447265), (10, 2757812), (19, 1451480), (20, 1378906), (38, 725740), (40, 689453), (76, 362870), (95, 290296), (131, 210520), (152, 181435), (190, 145148), (262, 105260), (277, 99560), (380, 72574), (524, 52630), (554, 49780), (655, 42104), (760, 36287), (1048, 26315), (1108, 24890), (1310, 21052), (1385, 19912), (2216, 12445), (2489, 11080), (2620, 10526), (2770, 9956), (4978, 5540), (5240, 5263)]