49759640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2503}}^1$

素因数の和:2592

約数の個数: 64

約数和(自身を含む): 129807360

約数和(自身を除く): 80047720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2503, 2840, 3976, 4970, 5006, 9940, 10012, 12515, 17521, 19880, 20024, 25030, 35042, 50060, 70084, 87605, 100120, 140168, 175210, 177713, 350420, 355426, 700840, 710852, 888565, 1243991, 1421704, 1777130, 2487982, 3554260, 4975964, 6219955, 7108520, 9951928, 12439910, 24879820, 49759640]

約数ペア:

[(1, 49759640), (2, 24879820), (4, 12439910), (5, 9951928), (7, 7108520), (8, 6219955), (10, 4975964), (14, 3554260), (20, 2487982), (28, 1777130), (35, 1421704), (40, 1243991), (56, 888565), (70, 710852), (71, 700840), (140, 355426), (142, 350420), (280, 177713), (284, 175210), (355, 140168), (497, 100120), (568, 87605), (710, 70084), (994, 50060), (1420, 35042), (1988, 25030), (2485, 20024), (2503, 19880), (2840, 17521), (3976, 12515), (4970, 10012), (5006, 9940)]