38900390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1201}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 72696960

約数和(自身を除く): 33796570

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 790, 1201, 2402, 3239, 6005, 6478, 12010, 16195, 32390, 49241, 94879, 98482, 189758, 246205, 474395, 492410, 948790, 3890039, 7780078, 19450195, 38900390]

約数ペア:

[(1, 38900390), (2, 19450195), (5, 7780078), (10, 3890039), (41, 948790), (79, 492410), (82, 474395), (158, 246205), (205, 189758), (395, 98482), (410, 94879), (790, 49241), (1201, 32390), (2402, 16195), (3239, 12010), (6005, 6478)]