72439480

素因数分解:

$2^3\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{1373}}^1$

素因数の和:2703

約数の個数: 32

約数和(自身を含む): 163231200

約数和(自身を除く): 90791720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1319, 1373, 2638, 2746, 5276, 5492, 6595, 6865, 10552, 10984, 13190, 13730, 26380, 27460, 52760, 54920, 1810987, 3621974, 7243948, 9054935, 14487896, 18109870, 36219740, 72439480]

約数ペア:

[(1, 72439480), (2, 36219740), (4, 18109870), (5, 14487896), (8, 9054935), (10, 7243948), (20, 3621974), (40, 1810987), (1319, 54920), (1373, 52760), (2638, 27460), (2746, 26380), (5276, 13730), (5492, 13190), (6595, 10984), (6865, 10552)]