64638400

素因数分解:

$2^6\times 5^2\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:662

約数の個数: 84

約数和(自身を含む): 161574480

約数和(自身を除く): 96936080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 142, 160, 200, 284, 320, 355, 400, 568, 569, 710, 800, 1136, 1138, 1420, 1600, 1775, 2272, 2276, 2840, 2845, 3550, 4544, 4552, 5680, 5690, 7100, 9104, 11360, 11380, 14200, 14225, 18208, 22720, 22760, 28400, 28450, 36416, 40399, 45520, 56800, 56900, 80798, 91040, 113600, 113800, 161596, 182080, 201995, 227600, 323192, 403990, 455200, 646384, 807980, 910400, 1009975, 1292768, 1615960, 2019950, 2585536, 3231920, 4039900, 6463840, 8079800, 12927680, 16159600, 32319200, 64638400]

約数ペア:

[(1, 64638400), (2, 32319200), (4, 16159600), (5, 12927680), (8, 8079800), (10, 6463840), (16, 4039900), (20, 3231920), (25, 2585536), (32, 2019950), (40, 1615960), (50, 1292768), (64, 1009975), (71, 910400), (80, 807980), (100, 646384), (142, 455200), (160, 403990), (200, 323192), (284, 227600), (320, 201995), (355, 182080), (400, 161596), (568, 113800), (569, 113600), (710, 91040), (800, 80798), (1136, 56900), (1138, 56800), (1420, 45520), (1600, 40399), (1775, 36416), (2272, 28450), (2276, 28400), (2840, 22760), (2845, 22720), (3550, 18208), (4544, 14225), (4552, 14200), (5680, 11380), (5690, 11360), (7100, 9104)]