1625760280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1311097}}^1$

素因数の和:1311139

約数の個数: 32

約数和(自身を含む): 3775962240

約数和(自身を除く): 2150201960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1311097, 2622194, 5244388, 6555485, 10488776, 13110970, 26221940, 40644007, 52443880, 81288014, 162576028, 203220035, 325152056, 406440070, 812880140, 1625760280]

約数ペア:

[(1, 1625760280), (2, 812880140), (4, 406440070), (5, 325152056), (8, 203220035), (10, 162576028), (20, 81288014), (31, 52443880), (40, 40644007), (62, 26221940), (124, 13110970), (155, 10488776), (248, 6555485), (310, 5244388), (620, 2622194), (1240, 1311097)]