27235280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5581}}^1$

素因数の和:5655

約数の個数: 40

約数和(自身を含む): 64371624

約数和(自身を除く): 37136344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5581, 11162, 22324, 27905, 44648, 55810, 89296, 111620, 223240, 340441, 446480, 680882, 1361764, 1702205, 2723528, 3404410, 5447056, 6808820, 13617640, 27235280]

約数ペア:

[(1, 27235280), (2, 13617640), (4, 6808820), (5, 5447056), (8, 3404410), (10, 2723528), (16, 1702205), (20, 1361764), (40, 680882), (61, 446480), (80, 340441), (122, 223240), (244, 111620), (305, 89296), (488, 55810), (610, 44648), (976, 27905), (1220, 22324), (2440, 11162), (4880, 5581)]