198578560

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10009}}^1$

素因数の和:10059

約数の個数: 64

約数和(自身を含む): 490089600

約数和(自身を除く): 291511040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 10009, 19840, 20018, 40036, 50045, 80072, 100090, 160144, 200180, 310279, 320288, 400360, 620558, 640576, 800720, 1241116, 1281152, 1551395, 1601440, 2482232, 3102790, 3202880, 4964464, 6205580, 6405760, 9928928, 12411160, 19857856, 24822320, 39715712, 49644640, 99289280, 198578560]

約数ペア:

[(1, 198578560), (2, 99289280), (4, 49644640), (5, 39715712), (8, 24822320), (10, 19857856), (16, 12411160), (20, 9928928), (31, 6405760), (32, 6205580), (40, 4964464), (62, 3202880), (64, 3102790), (80, 2482232), (124, 1601440), (128, 1551395), (155, 1281152), (160, 1241116), (248, 800720), (310, 640576), (320, 620558), (496, 400360), (620, 320288), (640, 310279), (992, 200180), (1240, 160144), (1984, 100090), (2480, 80072), (3968, 50045), (4960, 40036), (9920, 20018), (10009, 19840)]