71302480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28751}}^1$

素因数の和:28795

約数の個数: 40

約数和(自身を含む): 171131904

約数和(自身を除く): 99829424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28751, 57502, 115004, 143755, 230008, 287510, 460016, 575020, 891281, 1150040, 1782562, 2300080, 3565124, 4456405, 7130248, 8912810, 14260496, 17825620, 35651240, 71302480]

約数ペア:

[(1, 71302480), (2, 35651240), (4, 17825620), (5, 14260496), (8, 8912810), (10, 7130248), (16, 4456405), (20, 3565124), (31, 2300080), (40, 1782562), (62, 1150040), (80, 891281), (124, 575020), (155, 460016), (248, 287510), (310, 230008), (496, 143755), (620, 115004), (1240, 57502), (2480, 28751)]