67970440

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8539}}^1$

素因数の和:8749

約数の個数: 32

約数和(自身を含む): 153720000

約数和(自身を除く): 85749560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 8539, 17078, 34156, 42695, 68312, 85390, 170780, 341560, 1699261, 3398522, 6797044, 8496305, 13594088, 16992610, 33985220, 67970440]

約数ペア:

[(1, 67970440), (2, 33985220), (4, 16992610), (5, 13594088), (8, 8496305), (10, 6797044), (20, 3398522), (40, 1699261), (199, 341560), (398, 170780), (796, 85390), (995, 68312), (1592, 42695), (1990, 34156), (3980, 17078), (7960, 8539)]