51309080

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{7681}}^1$

素因数の和:7859

約数の個数: 32

約数和(自身を含む): 116151840

約数和(自身を除く): 64842760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 7681, 15362, 30724, 38405, 61448, 76810, 153620, 307240, 1282727, 2565454, 5130908, 6413635, 10261816, 12827270, 25654540, 51309080]

約数ペア:

[(1, 51309080), (2, 25654540), (4, 12827270), (5, 10261816), (8, 6413635), (10, 5130908), (20, 2565454), (40, 1282727), (167, 307240), (334, 153620), (668, 76810), (835, 61448), (1336, 38405), (1670, 30724), (3340, 15362), (6680, 7681)]