2038160

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:435

約数の個数: 40

約数和(自身を含む): 4817400

約数和(自身を除く): 2779240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 349, 365, 584, 698, 730, 1168, 1396, 1460, 1745, 2792, 2920, 3490, 5584, 5840, 6980, 13960, 25477, 27920, 50954, 101908, 127385, 203816, 254770, 407632, 509540, 1019080, 2038160]

約数ペア:

[(1, 2038160), (2, 1019080), (4, 509540), (5, 407632), (8, 254770), (10, 203816), (16, 127385), (20, 101908), (40, 50954), (73, 27920), (80, 25477), (146, 13960), (292, 6980), (349, 5840), (365, 5584), (584, 3490), (698, 2920), (730, 2792), (1168, 1745), (1396, 1460)]