128934560

素因数分解:

$2^5\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2309}}^1$

素因数の和:2673

約数の個数: 48

約数和(自身を含む): 305613000

約数和(自身を除く): 176678440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 349, 698, 1396, 1745, 2309, 2792, 3490, 4618, 5584, 6980, 9236, 11168, 11545, 13960, 18472, 23090, 27920, 36944, 46180, 55840, 73888, 92360, 184720, 369440, 805841, 1611682, 3223364, 4029205, 6446728, 8058410, 12893456, 16116820, 25786912, 32233640, 64467280, 128934560]

約数ペア:

[(1, 128934560), (2, 64467280), (4, 32233640), (5, 25786912), (8, 16116820), (10, 12893456), (16, 8058410), (20, 6446728), (32, 4029205), (40, 3223364), (80, 1611682), (160, 805841), (349, 369440), (698, 184720), (1396, 92360), (1745, 73888), (2309, 55840), (2792, 46180), (3490, 36944), (4618, 27920), (5584, 23090), (6980, 18472), (9236, 13960), (11168, 11545)]