4054280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1283}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 9244800

約数和(自身を除く): 5190520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1283, 1580, 2566, 3160, 5132, 6415, 10264, 12830, 25660, 51320, 101357, 202714, 405428, 506785, 810856, 1013570, 2027140, 4054280]

約数ペア:

[(1, 4054280), (2, 2027140), (4, 1013570), (5, 810856), (8, 506785), (10, 405428), (20, 202714), (40, 101357), (79, 51320), (158, 25660), (316, 12830), (395, 10264), (632, 6415), (790, 5132), (1283, 3160), (1580, 2566)]