16197500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 120

約数和(自身を含む): 41986560

約数和(自身を除く): 25789060

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 31, 38, 44, 50, 55, 62, 76, 95, 100, 110, 124, 125, 155, 190, 209, 220, 250, 275, 310, 341, 380, 418, 475, 500, 550, 589, 620, 625, 682, 775, 836, 950, 1045, 1100, 1178, 1250, 1364, 1375, 1550, 1705, 1900, 2090, 2356, 2375, 2500, 2750, 2945, 3100, 3410, 3875, 4180, 4750, 5225, 5500, 5890, 6479, 6820, 6875, 7750, 8525, 9500, 10450, 11780, 11875, 12958, 13750, 14725, 15500, 17050, 19375, 20900, 23750, 25916, 26125, 27500, 29450, 32395, 34100, 38750, 42625, 47500, 52250, 58900, 64790, 73625, 77500, 85250, 104500, 129580, 130625, 147250, 161975, 170500, 213125, 261250, 294500, 323950, 368125, 426250, 522500, 647900, 736250, 809875, 852500, 1472500, 1619750, 3239500, 4049375, 8098750, 16197500]

約数ペア:

[(1, 16197500), (2, 8098750), (4, 4049375), (5, 3239500), (10, 1619750), (11, 1472500), (19, 852500), (20, 809875), (22, 736250), (25, 647900), (31, 522500), (38, 426250), (44, 368125), (50, 323950), (55, 294500), (62, 261250), (76, 213125), (95, 170500), (100, 161975), (110, 147250), (124, 130625), (125, 129580), (155, 104500), (190, 85250), (209, 77500), (220, 73625), (250, 64790), (275, 58900), (310, 52250), (341, 47500), (380, 42625), (418, 38750), (475, 34100), (500, 32395), (550, 29450), (589, 27500), (620, 26125), (625, 25916), (682, 23750), (775, 20900), (836, 19375), (950, 17050), (1045, 15500), (1100, 14725), (1178, 13750), (1250, 12958), (1364, 11875), (1375, 11780), (1550, 10450), (1705, 9500), (1900, 8525), (2090, 7750), (2356, 6875), (2375, 6820), (2500, 6479), (2750, 5890), (2945, 5500), (3100, 5225), (3410, 4750), (3875, 4180)]