30804080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12421}}^1$

素因数の和:12465

約数の個数: 40

約数和(自身を含む): 73935744

約数和(自身を除く): 43131664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12421, 24842, 49684, 62105, 99368, 124210, 198736, 248420, 385051, 496840, 770102, 993680, 1540204, 1925255, 3080408, 3850510, 6160816, 7701020, 15402040, 30804080]

約数ペア:

[(1, 30804080), (2, 15402040), (4, 7701020), (5, 6160816), (8, 3850510), (10, 3080408), (16, 1925255), (20, 1540204), (31, 993680), (40, 770102), (62, 496840), (80, 385051), (124, 248420), (155, 198736), (248, 124210), (310, 99368), (496, 62105), (620, 49684), (1240, 24842), (2480, 12421)]