72122080

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4463}}^1$

素因数の和:4579

約数の個数: 48

約数和(自身を含む): 172113984

約数和(自身を除く): 99991904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 4463, 8080, 8926, 16160, 17852, 22315, 35704, 44630, 71408, 89260, 142816, 178520, 357040, 450763, 714080, 901526, 1803052, 2253815, 3606104, 4507630, 7212208, 9015260, 14424416, 18030520, 36061040, 72122080]

約数ペア:

[(1, 72122080), (2, 36061040), (4, 18030520), (5, 14424416), (8, 9015260), (10, 7212208), (16, 4507630), (20, 3606104), (32, 2253815), (40, 1803052), (80, 901526), (101, 714080), (160, 450763), (202, 357040), (404, 178520), (505, 142816), (808, 89260), (1010, 71408), (1616, 44630), (2020, 35704), (3232, 22315), (4040, 17852), (4463, 16160), (8080, 8926)]