4920698750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4021}}^1$

素因数の和:4143

約数の個数: 80

約数和(自身を含む): 10177429680

約数和(自身を除く): 5256730930

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 125, 178, 250, 275, 445, 550, 625, 890, 979, 1250, 1375, 1958, 2225, 2750, 4021, 4450, 4895, 6875, 8042, 9790, 11125, 13750, 20105, 22250, 24475, 40210, 44231, 48950, 55625, 88462, 100525, 111250, 122375, 201050, 221155, 244750, 357869, 442310, 502625, 611875, 715738, 1005250, 1105775, 1223750, 1789345, 2211550, 2513125, 3578690, 3936559, 5026250, 5528875, 7873118, 8946725, 11057750, 17893450, 19682795, 27644375, 39365590, 44733625, 55288750, 89467250, 98413975, 196827950, 223668125, 447336250, 492069875, 984139750, 2460349375, 4920698750]

約数ペア:

[(1, 4920698750), (2, 2460349375), (5, 984139750), (10, 492069875), (11, 447336250), (22, 223668125), (25, 196827950), (50, 98413975), (55, 89467250), (89, 55288750), (110, 44733625), (125, 39365590), (178, 27644375), (250, 19682795), (275, 17893450), (445, 11057750), (550, 8946725), (625, 7873118), (890, 5528875), (979, 5026250), (1250, 3936559), (1375, 3578690), (1958, 2513125), (2225, 2211550), (2750, 1789345), (4021, 1223750), (4450, 1105775), (4895, 1005250), (6875, 715738), (8042, 611875), (9790, 502625), (11125, 442310), (13750, 357869), (20105, 244750), (22250, 221155), (24475, 201050), (40210, 122375), (44231, 111250), (48950, 100525), (55625, 88462)]