1628675680

素因数分解:

$2^5\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{6121}}^1$

素因数の和:7799

約数の個数: 48

約数和(自身を含む): 3850689024

約数和(自身を除く): 2222013344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1663, 3326, 6121, 6652, 8315, 12242, 13304, 16630, 24484, 26608, 30605, 33260, 48968, 53216, 61210, 66520, 97936, 122420, 133040, 195872, 244840, 266080, 489680, 979360, 10179223, 20358446, 40716892, 50896115, 81433784, 101792230, 162867568, 203584460, 325735136, 407168920, 814337840, 1628675680]

約数ペア:

[(1, 1628675680), (2, 814337840), (4, 407168920), (5, 325735136), (8, 203584460), (10, 162867568), (16, 101792230), (20, 81433784), (32, 50896115), (40, 40716892), (80, 20358446), (160, 10179223), (1663, 979360), (3326, 489680), (6121, 266080), (6652, 244840), (8315, 195872), (12242, 133040), (13304, 122420), (16630, 97936), (24484, 66520), (26608, 61210), (30605, 53216), (33260, 48968)]