61815550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2099}}^1$

素因数の和:2161

約数の個数: 48

約数和(自身を含む): 124992000

約数和(自身を除く): 63176450

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 155, 190, 310, 475, 589, 775, 950, 1178, 1550, 2099, 2945, 4198, 5890, 10495, 14725, 20990, 29450, 39881, 52475, 65069, 79762, 104950, 130138, 199405, 325345, 398810, 650690, 997025, 1236311, 1626725, 1994050, 2472622, 3253450, 6181555, 12363110, 30907775, 61815550]

約数ペア:

[(1, 61815550), (2, 30907775), (5, 12363110), (10, 6181555), (19, 3253450), (25, 2472622), (31, 1994050), (38, 1626725), (50, 1236311), (62, 997025), (95, 650690), (155, 398810), (190, 325345), (310, 199405), (475, 130138), (589, 104950), (775, 79762), (950, 65069), (1178, 52475), (1550, 39881), (2099, 29450), (2945, 20990), (4198, 14725), (5890, 10495)]