380084840

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{14419}}^1$

素因数の和:15089

約数の個数: 32

約数和(自身を含む): 856548000

約数和(自身を除く): 476463160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 6590, 13180, 14419, 26360, 28838, 57676, 72095, 115352, 144190, 288380, 576760, 9502121, 19004242, 38008484, 47510605, 76016968, 95021210, 190042420, 380084840]

約数ペア:

[(1, 380084840), (2, 190042420), (4, 95021210), (5, 76016968), (8, 47510605), (10, 38008484), (20, 19004242), (40, 9502121), (659, 576760), (1318, 288380), (2636, 144190), (3295, 115352), (5272, 72095), (6590, 57676), (13180, 28838), (14419, 26360)]