156080920

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{18493}}^1$

素因数の和:18715

約数の個数: 32

約数和(自身を含む): 352865520

約数和(自身を除く): 196784600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 18493, 36986, 73972, 92465, 147944, 184930, 369860, 739720, 3902023, 7804046, 15608092, 19510115, 31216184, 39020230, 78040460, 156080920]

約数ペア:

[(1, 156080920), (2, 78040460), (4, 39020230), (5, 31216184), (8, 19510115), (10, 15608092), (20, 7804046), (40, 3902023), (211, 739720), (422, 369860), (844, 184930), (1055, 147944), (1688, 92465), (2110, 73972), (4220, 36986), (8440, 18493)]