866117354840

素因数分解:

$2^3\times 5^1\times {\mathrm{5351}}^1\times {\mathrm{4046521}}^1$

素因数の和:4051883

約数の個数: 32

約数和(自身を含む): 1949128716960

約数和(自身を除く): 1083011362120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5351, 10702, 21404, 26755, 42808, 53510, 107020, 214040, 4046521, 8093042, 16186084, 20232605, 32372168, 40465210, 80930420, 161860840, 21652933871, 43305867742, 86611735484, 108264669355, 173223470968, 216529338710, 433058677420, 866117354840]

約数ペア:

[(1, 866117354840), (2, 433058677420), (4, 216529338710), (5, 173223470968), (8, 108264669355), (10, 86611735484), (20, 43305867742), (40, 21652933871), (5351, 161860840), (10702, 80930420), (21404, 40465210), (26755, 32372168), (42808, 20232605), (53510, 16186084), (107020, 8093042), (214040, 4046521)]