131097760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26431}}^1$

素因数の和:26477

約数の個数: 48

約数和(自身を含む): 319721472

約数和(自身を除く): 188623712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 26431, 52862, 105724, 132155, 211448, 264310, 422896, 528620, 819361, 845792, 1057240, 1638722, 2114480, 3277444, 4096805, 4228960, 6554888, 8193610, 13109776, 16387220, 26219552, 32774440, 65548880, 131097760]

約数ペア:

[(1, 131097760), (2, 65548880), (4, 32774440), (5, 26219552), (8, 16387220), (10, 13109776), (16, 8193610), (20, 6554888), (31, 4228960), (32, 4096805), (40, 3277444), (62, 2114480), (80, 1638722), (124, 1057240), (155, 845792), (160, 819361), (248, 528620), (310, 422896), (496, 264310), (620, 211448), (992, 132155), (1240, 105724), (2480, 52862), (4960, 26431)]