40204720

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1637}}^1$

素因数の和:1957

約数の個数: 40

約数和(自身を含む): 93837744

約数和(自身を除く): 53633024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 1637, 2456, 3070, 3274, 4912, 6140, 6548, 8185, 12280, 13096, 16370, 24560, 26192, 32740, 65480, 130960, 502559, 1005118, 2010236, 2512795, 4020472, 5025590, 8040944, 10051180, 20102360, 40204720]

約数ペア:

[(1, 40204720), (2, 20102360), (4, 10051180), (5, 8040944), (8, 5025590), (10, 4020472), (16, 2512795), (20, 2010236), (40, 1005118), (80, 502559), (307, 130960), (614, 65480), (1228, 32740), (1535, 26192), (1637, 24560), (2456, 16370), (3070, 13096), (3274, 12280), (4912, 8185), (6140, 6548)]