51750680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 123660000

約数和(自身を除く): 71909320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 457, 596, 745, 760, 914, 1192, 1490, 1828, 2285, 2831, 2980, 3656, 4570, 5662, 5960, 8683, 9140, 11324, 14155, 17366, 18280, 22648, 28310, 34732, 43415, 56620, 68093, 69464, 86830, 113240, 136186, 173660, 272372, 340465, 347320, 544744, 680930, 1293767, 1361860, 2587534, 2723720, 5175068, 6468835, 10350136, 12937670, 25875340, 51750680]

約数ペア:

[(1, 51750680), (2, 25875340), (4, 12937670), (5, 10350136), (8, 6468835), (10, 5175068), (19, 2723720), (20, 2587534), (38, 1361860), (40, 1293767), (76, 680930), (95, 544744), (149, 347320), (152, 340465), (190, 272372), (298, 173660), (380, 136186), (457, 113240), (596, 86830), (745, 69464), (760, 68093), (914, 56620), (1192, 43415), (1490, 34732), (1828, 28310), (2285, 22648), (2831, 18280), (2980, 17366), (3656, 14155), (4570, 11324), (5662, 9140), (5960, 8683)]