1220940080

素因数分解:

$2^4\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{9323}}^1$

素因数の和:10973

約数の個数: 40

約数和(自身を含む): 2840724432

約数和(自身を除く): 1619784352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1637, 3274, 6548, 8185, 9323, 13096, 16370, 18646, 26192, 32740, 37292, 46615, 65480, 74584, 93230, 130960, 149168, 186460, 372920, 745840, 15261751, 30523502, 61047004, 76308755, 122094008, 152617510, 244188016, 305235020, 610470040, 1220940080]

約数ペア:

[(1, 1220940080), (2, 610470040), (4, 305235020), (5, 244188016), (8, 152617510), (10, 122094008), (16, 76308755), (20, 61047004), (40, 30523502), (80, 15261751), (1637, 745840), (3274, 372920), (6548, 186460), (8185, 149168), (9323, 130960), (13096, 93230), (16370, 74584), (18646, 65480), (26192, 46615), (32740, 37292)]