4872440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2971}}^1$

素因数の和:3023

約数の個数: 32

約数和(自身を含む): 11234160

約数和(自身を除く): 6361720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2971, 5942, 11884, 14855, 23768, 29710, 59420, 118840, 121811, 243622, 487244, 609055, 974488, 1218110, 2436220, 4872440]

約数ペア:

[(1, 4872440), (2, 2436220), (4, 1218110), (5, 974488), (8, 609055), (10, 487244), (20, 243622), (40, 121811), (41, 118840), (82, 59420), (164, 29710), (205, 23768), (328, 14855), (410, 11884), (820, 5942), (1640, 2971)]