31931620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5563}}^1$

素因数の和:5620

約数の個数: 48

約数和(自身を含む): 78519168

約数和(自身を除く): 46587548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5563, 5740, 11126, 22252, 27815, 38941, 55630, 77882, 111260, 155764, 194705, 228083, 389410, 456166, 778820, 912332, 1140415, 1596581, 2280830, 3193162, 4561660, 6386324, 7982905, 15965810, 31931620]

約数ペア:

[(1, 31931620), (2, 15965810), (4, 7982905), (5, 6386324), (7, 4561660), (10, 3193162), (14, 2280830), (20, 1596581), (28, 1140415), (35, 912332), (41, 778820), (70, 456166), (82, 389410), (140, 228083), (164, 194705), (205, 155764), (287, 111260), (410, 77882), (574, 55630), (820, 38941), (1148, 27815), (1435, 22252), (2870, 11126), (5563, 5740)]