2126480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1431

約数の個数: 40

約数和(自身を含む): 5208000

約数和(自身を除く): 3081520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1399, 1520, 2798, 5596, 6995, 11192, 13990, 22384, 26581, 27980, 53162, 55960, 106324, 111920, 132905, 212648, 265810, 425296, 531620, 1063240, 2126480]

約数ペア:

[(1, 2126480), (2, 1063240), (4, 531620), (5, 425296), (8, 265810), (10, 212648), (16, 132905), (19, 111920), (20, 106324), (38, 55960), (40, 53162), (76, 27980), (80, 26581), (95, 22384), (152, 13990), (190, 11192), (304, 6995), (380, 5596), (760, 2798), (1399, 1520)]