126787520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12781}}^1$

素因数の和:12829

約数の個数: 56

約数和(自身を含む): 311676288

約数和(自身を除く): 184888768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 12781, 25562, 51124, 63905, 102248, 127810, 204496, 255620, 396211, 408992, 511240, 792422, 817984, 1022480, 1584844, 1981055, 2044960, 3169688, 3962110, 4089920, 6339376, 7924220, 12678752, 15848440, 25357504, 31696880, 63393760, 126787520]

約数ペア:

[(1, 126787520), (2, 63393760), (4, 31696880), (5, 25357504), (8, 15848440), (10, 12678752), (16, 7924220), (20, 6339376), (31, 4089920), (32, 3962110), (40, 3169688), (62, 2044960), (64, 1981055), (80, 1584844), (124, 1022480), (155, 817984), (160, 792422), (248, 511240), (310, 408992), (320, 396211), (496, 255620), (620, 204496), (992, 127810), (1240, 102248), (1984, 63905), (2480, 51124), (4960, 25562), (9920, 12781)]