82678880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27197}}^1$

素因数の和:27231

約数の個数: 48

約数和(自身を含む): 205616880

約数和(自身を除く): 122938000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 27197, 54394, 108788, 135985, 217576, 271970, 435152, 516743, 543940, 870304, 1033486, 1087880, 2066972, 2175760, 2583715, 4133944, 4351520, 5167430, 8267888, 10334860, 16535776, 20669720, 41339440, 82678880]

約数ペア:

[(1, 82678880), (2, 41339440), (4, 20669720), (5, 16535776), (8, 10334860), (10, 8267888), (16, 5167430), (19, 4351520), (20, 4133944), (32, 2583715), (38, 2175760), (40, 2066972), (76, 1087880), (80, 1033486), (95, 870304), (152, 543940), (160, 516743), (190, 435152), (304, 271970), (380, 217576), (608, 135985), (760, 108788), (1520, 54394), (3040, 27197)]