20199077800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1249}}^1\times {\mathrm{7351}}^1$

素因数の和:8627

約数の個数: 96

約数和(自身を含む): 51280200000

約数和(自身を除く): 31081122200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 1249, 2200, 2498, 4996, 6245, 7351, 9992, 12490, 13739, 14702, 24980, 27478, 29404, 31225, 36755, 49960, 54956, 58808, 62450, 68695, 73510, 80861, 109912, 124900, 137390, 147020, 161722, 183775, 249800, 274780, 294040, 323444, 343475, 367550, 404305, 549560, 646888, 686950, 735100, 808610, 1373900, 1470200, 1617220, 2021525, 2747800, 3234440, 4043050, 8086100, 9181399, 16172200, 18362798, 36725596, 45906995, 73451192, 91813990, 100995389, 183627980, 201990778, 229534975, 367255960, 403981556, 459069950, 504976945, 807963112, 918139900, 1009953890, 1836279800, 2019907780, 2524884725, 4039815560, 5049769450, 10099538900, 20199077800]

約数ペア:

[(1, 20199077800), (2, 10099538900), (4, 5049769450), (5, 4039815560), (8, 2524884725), (10, 2019907780), (11, 1836279800), (20, 1009953890), (22, 918139900), (25, 807963112), (40, 504976945), (44, 459069950), (50, 403981556), (55, 367255960), (88, 229534975), (100, 201990778), (110, 183627980), (200, 100995389), (220, 91813990), (275, 73451192), (440, 45906995), (550, 36725596), (1100, 18362798), (1249, 16172200), (2200, 9181399), (2498, 8086100), (4996, 4043050), (6245, 3234440), (7351, 2747800), (9992, 2021525), (12490, 1617220), (13739, 1470200), (14702, 1373900), (24980, 808610), (27478, 735100), (29404, 686950), (31225, 646888), (36755, 549560), (49960, 404305), (54956, 367550), (58808, 343475), (62450, 323444), (68695, 294040), (73510, 274780), (80861, 249800), (109912, 183775), (124900, 161722), (137390, 147020)]