135148840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{108991}}^1$

素因数の和:109033

約数の個数: 32

約数和(自身を含む): 313896960

約数和(自身を除く): 178748120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 108991, 217982, 435964, 544955, 871928, 1089910, 2179820, 3378721, 4359640, 6757442, 13514884, 16893605, 27029768, 33787210, 67574420, 135148840]

約数ペア:

[(1, 135148840), (2, 67574420), (4, 33787210), (5, 27029768), (8, 16893605), (10, 13514884), (20, 6757442), (31, 4359640), (40, 3378721), (62, 2179820), (124, 1089910), (155, 871928), (248, 544955), (310, 435964), (620, 217982), (1240, 108991)]