127379960

素因数分解:

$2^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{3119}}^1$

素因数の和:4151

約数の個数: 32

約数和(自身を含む): 286977600

約数和(自身を除く): 159597640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021, 2042, 3119, 4084, 5105, 6238, 8168, 10210, 12476, 15595, 20420, 24952, 31190, 40840, 62380, 124760, 3184499, 6368998, 12737996, 15922495, 25475992, 31844990, 63689980, 127379960]

約数ペア:

[(1, 127379960), (2, 63689980), (4, 31844990), (5, 25475992), (8, 15922495), (10, 12737996), (20, 6368998), (40, 3184499), (1021, 124760), (2042, 62380), (3119, 40840), (4084, 31190), (5105, 24952), (6238, 20420), (8168, 15595), (10210, 12476)]