163160440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131581}}^1$

素因数の和:131623

約数の個数: 32

約数和(自身を含む): 378956160

約数和(自身を除く): 215795720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 131581, 263162, 526324, 657905, 1052648, 1315810, 2631620, 4079011, 5263240, 8158022, 16316044, 20395055, 32632088, 40790110, 81580220, 163160440]

約数ペア:

[(1, 163160440), (2, 81580220), (4, 40790110), (5, 32632088), (8, 20395055), (10, 16316044), (20, 8158022), (31, 5263240), (40, 4079011), (62, 2631620), (124, 1315810), (155, 1052648), (248, 657905), (310, 526324), (620, 263162), (1240, 131581)]