78840380

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{6581}}^1$

素因数の和:7189

約数の個数: 24

約数和(自身を含む): 165866400

約数和(自身を除く): 87026020

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 2396, 2995, 5990, 6581, 11980, 13162, 26324, 32905, 65810, 131620, 3942019, 7884038, 15768076, 19710095, 39420190, 78840380]

約数ペア:

[(1, 78840380), (2, 39420190), (4, 19710095), (5, 15768076), (10, 7884038), (20, 3942019), (599, 131620), (1198, 65810), (2396, 32905), (2995, 26324), (5990, 13162), (6581, 11980)]