66219680

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3797}}^1$

素因数の和:3921

約数の個数: 48

約数和(自身を含む): 157920840

約数和(自身を除く): 91701160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 3797, 4360, 7594, 8720, 15188, 17440, 18985, 30376, 37970, 60752, 75940, 121504, 151880, 303760, 413873, 607520, 827746, 1655492, 2069365, 3310984, 4138730, 6621968, 8277460, 13243936, 16554920, 33109840, 66219680]

約数ペア:

[(1, 66219680), (2, 33109840), (4, 16554920), (5, 13243936), (8, 8277460), (10, 6621968), (16, 4138730), (20, 3310984), (32, 2069365), (40, 1655492), (80, 827746), (109, 607520), (160, 413873), (218, 303760), (436, 151880), (545, 121504), (872, 75940), (1090, 60752), (1744, 37970), (2180, 30376), (3488, 18985), (3797, 17440), (4360, 15188), (7594, 8720)]