53449840

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7507}}^1$

素因数の和:7609

約数の個数: 40

約数和(自身を含む): 125683920

約数和(自身を除く): 72234080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 7507, 15014, 30028, 37535, 60056, 75070, 120112, 150140, 300280, 600560, 668123, 1336246, 2672492, 3340615, 5344984, 6681230, 10689968, 13362460, 26724920, 53449840]

約数ペア:

[(1, 53449840), (2, 26724920), (4, 13362460), (5, 10689968), (8, 6681230), (10, 5344984), (16, 3340615), (20, 2672492), (40, 1336246), (80, 668123), (89, 600560), (178, 300280), (356, 150140), (445, 120112), (712, 75070), (890, 60056), (1424, 37535), (1780, 30028), (3560, 15014), (7120, 7507)]