40393840

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2393}}^1$

素因数の和:2617

約数の個数: 40

約数和(自身を含む): 94400208

約数和(自身を除く): 54006368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 2393, 3376, 4220, 4786, 8440, 9572, 11965, 16880, 19144, 23930, 38288, 47860, 95720, 191440, 504923, 1009846, 2019692, 2524615, 4039384, 5049230, 8078768, 10098460, 20196920, 40393840]

約数ペア:

[(1, 40393840), (2, 20196920), (4, 10098460), (5, 8078768), (8, 5049230), (10, 4039384), (16, 2524615), (20, 2019692), (40, 1009846), (80, 504923), (211, 191440), (422, 95720), (844, 47860), (1055, 38288), (1688, 23930), (2110, 19144), (2393, 16880), (3376, 11965), (4220, 9572), (4786, 8440)]