8614280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6947}}^1$

素因数の和:6989

約数の個数: 32

約数和(自身を含む): 20010240

約数和(自身を除く): 11395960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6947, 13894, 27788, 34735, 55576, 69470, 138940, 215357, 277880, 430714, 861428, 1076785, 1722856, 2153570, 4307140, 8614280]

約数ペア:

[(1, 8614280), (2, 4307140), (4, 2153570), (5, 1722856), (8, 1076785), (10, 861428), (20, 430714), (31, 277880), (40, 215357), (62, 138940), (124, 69470), (155, 55576), (248, 34735), (310, 27788), (620, 13894), (1240, 6947)]