78880240

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4673}}^1$

素因数の和:4897

約数の個数: 40

約数和(自身を含む): 184305168

約数和(自身を除く): 105424928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 4673, 8440, 9346, 16880, 18692, 23365, 37384, 46730, 74768, 93460, 186920, 373840, 986003, 1972006, 3944012, 4930015, 7888024, 9860030, 15776048, 19720060, 39440120, 78880240]

約数ペア:

[(1, 78880240), (2, 39440120), (4, 19720060), (5, 15776048), (8, 9860030), (10, 7888024), (16, 4930015), (20, 3944012), (40, 1972006), (80, 986003), (211, 373840), (422, 186920), (844, 93460), (1055, 74768), (1688, 46730), (2110, 37384), (3376, 23365), (4220, 18692), (4673, 16880), (8440, 9346)]