55519840

素因数分解:

$2^5\times 5^1\times {\mathrm{353}}^1\times {\mathrm{983}}^1$

素因数の和:1351

約数の個数: 48

約数和(自身を含む): 131671008

約数和(自身を除く): 76151168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 353, 706, 983, 1412, 1765, 1966, 2824, 3530, 3932, 4915, 5648, 7060, 7864, 9830, 11296, 14120, 15728, 19660, 28240, 31456, 39320, 56480, 78640, 157280, 346999, 693998, 1387996, 1734995, 2775992, 3469990, 5551984, 6939980, 11103968, 13879960, 27759920, 55519840]

約数ペア:

[(1, 55519840), (2, 27759920), (4, 13879960), (5, 11103968), (8, 6939980), (10, 5551984), (16, 3469990), (20, 2775992), (32, 1734995), (40, 1387996), (80, 693998), (160, 346999), (353, 157280), (706, 78640), (983, 56480), (1412, 39320), (1765, 31456), (1966, 28240), (2824, 19660), (3530, 15728), (3932, 14120), (4915, 11296), (5648, 9830), (7060, 7864)]