49820720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20089}}^1$

素因数の和:20133

約数の個数: 40

約数和(自身を含む): 119575680

約数和(自身を除く): 69754960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 20089, 40178, 80356, 100445, 160712, 200890, 321424, 401780, 622759, 803560, 1245518, 1607120, 2491036, 3113795, 4982072, 6227590, 9964144, 12455180, 24910360, 49820720]

約数ペア:

[(1, 49820720), (2, 24910360), (4, 12455180), (5, 9964144), (8, 6227590), (10, 4982072), (16, 3113795), (20, 2491036), (31, 1607120), (40, 1245518), (62, 803560), (80, 622759), (124, 401780), (155, 321424), (248, 200890), (310, 160712), (496, 100445), (620, 80356), (1240, 40178), (2480, 20089)]