139037320

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{17467}}^1$

素因数の和:17677

約数の個数: 32

約数和(自身を含む): 314424000

約数和(自身を除く): 175386680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 17467, 34934, 69868, 87335, 139736, 174670, 349340, 698680, 3475933, 6951866, 13903732, 17379665, 27807464, 34759330, 69518660, 139037320]

約数ペア:

[(1, 139037320), (2, 69518660), (4, 34759330), (5, 27807464), (8, 17379665), (10, 13903732), (20, 6951866), (40, 3475933), (199, 698680), (398, 349340), (796, 174670), (995, 139736), (1592, 87335), (1990, 69868), (3980, 34934), (7960, 17467)]