49939840

素因数分解:

$2^7\times 5^1\times {\mathrm{78031}}^1$

素因数の和:78050

約数の個数: 32

約数和(自身を含む): 119388960

約数和(自身を除く): 69449120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 78031, 156062, 312124, 390155, 624248, 780310, 1248496, 1560620, 2496992, 3121240, 4993984, 6242480, 9987968, 12484960, 24969920, 49939840]

約数ペア:

[(1, 49939840), (2, 24969920), (4, 12484960), (5, 9987968), (8, 6242480), (10, 4993984), (16, 3121240), (20, 2496992), (32, 1560620), (40, 1248496), (64, 780310), (80, 624248), (128, 390155), (160, 312124), (320, 156062), (640, 78031)]