72087760

素因数分解:

$2^4\times 5^1\times {\mathrm{901097}}^1$

素因数の和:901110

約数の個数: 20

約数和(自身を含む): 167604228

約数和(自身を除く): 95516468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 901097, 1802194, 3604388, 4505485, 7208776, 9010970, 14417552, 18021940, 36043880, 72087760]

約数ペア:

[(1, 72087760), (2, 36043880), (4, 18021940), (5, 14417552), (8, 9010970), (10, 7208776), (16, 4505485), (20, 3604388), (40, 1802194), (80, 901097)]