25822240

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{811}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 61387200

約数和(自身を除く): 35564960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 811, 995, 1592, 1622, 1990, 3184, 3244, 3980, 4055, 6368, 6488, 7960, 8110, 12976, 15920, 16220, 25952, 31840, 32440, 64880, 129760, 161389, 322778, 645556, 806945, 1291112, 1613890, 2582224, 3227780, 5164448, 6455560, 12911120, 25822240]

約数ペア:

[(1, 25822240), (2, 12911120), (4, 6455560), (5, 5164448), (8, 3227780), (10, 2582224), (16, 1613890), (20, 1291112), (32, 806945), (40, 645556), (80, 322778), (160, 161389), (199, 129760), (398, 64880), (796, 32440), (811, 31840), (995, 25952), (1592, 16220), (1622, 15920), (1990, 12976), (3184, 8110), (3244, 7960), (3980, 6488), (4055, 6368)]