27681760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5581}}^1$

素因数の和:5627

約数の個数: 48

約数和(自身を含む): 67519872

約数和(自身を除く): 39838112

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, 5581, 11162, 22324, 27905, 44648, 55810, 89296, 111620, 173011, 178592, 223240, 346022, 446480, 692044, 865055, 892960, 1384088, 1730110, 2768176, 3460220, 5536352, 6920440, 13840880, 27681760]

約数ペア:

[(1, 27681760), (2, 13840880), (4, 6920440), (5, 5536352), (8, 3460220), (10, 2768176), (16, 1730110), (20, 1384088), (31, 892960), (32, 865055), (40, 692044), (62, 446480), (80, 346022), (124, 223240), (155, 178592), (160, 173011), (248, 111620), (310, 89296), (496, 55810), (620, 44648), (992, 27905), (1240, 22324), (2480, 11162), (4960, 5581)]