262960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:205

約数の個数: 40

約数和(自身を含む): 647280

約数和(自身を除く): 384320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 173, 190, 304, 346, 380, 692, 760, 865, 1384, 1520, 1730, 2768, 3287, 3460, 6574, 6920, 13148, 13840, 16435, 26296, 32870, 52592, 65740, 131480, 262960]

約数ペア:

[(1, 262960), (2, 131480), (4, 65740), (5, 52592), (8, 32870), (10, 26296), (16, 16435), (19, 13840), (20, 13148), (38, 6920), (40, 6574), (76, 3460), (80, 3287), (95, 2768), (152, 1730), (173, 1520), (190, 1384), (304, 865), (346, 760), (380, 692)]