127048720

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{9743}}^1$

素因数の和:9919

約数の個数: 40

約数和(自身を含む): 297230976

約数和(自身を除く): 170182256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 9743, 13040, 19486, 38972, 48715, 77944, 97430, 155888, 194860, 389720, 779440, 1588109, 3176218, 6352436, 7940545, 12704872, 15881090, 25409744, 31762180, 63524360, 127048720]

約数ペア:

[(1, 127048720), (2, 63524360), (4, 31762180), (5, 25409744), (8, 15881090), (10, 12704872), (16, 7940545), (20, 6352436), (40, 3176218), (80, 1588109), (163, 779440), (326, 389720), (652, 194860), (815, 155888), (1304, 97430), (1630, 77944), (2608, 48715), (3260, 38972), (6520, 19486), (9743, 13040)]