16805500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 40622400

約数和(自身を除く): 23816900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 61, 76, 95, 100, 116, 122, 125, 145, 190, 244, 250, 290, 305, 380, 475, 500, 551, 580, 610, 725, 950, 1102, 1159, 1220, 1450, 1525, 1769, 1900, 2204, 2318, 2375, 2755, 2900, 3050, 3538, 3625, 4636, 4750, 5510, 5795, 6100, 7076, 7250, 7625, 8845, 9500, 11020, 11590, 13775, 14500, 15250, 17690, 23180, 27550, 28975, 30500, 33611, 35380, 44225, 55100, 57950, 67222, 68875, 88450, 115900, 134444, 137750, 144875, 168055, 176900, 221125, 275500, 289750, 336110, 442250, 579500, 672220, 840275, 884500, 1680550, 3361100, 4201375, 8402750, 16805500]

約数ペア:

[(1, 16805500), (2, 8402750), (4, 4201375), (5, 3361100), (10, 1680550), (19, 884500), (20, 840275), (25, 672220), (29, 579500), (38, 442250), (50, 336110), (58, 289750), (61, 275500), (76, 221125), (95, 176900), (100, 168055), (116, 144875), (122, 137750), (125, 134444), (145, 115900), (190, 88450), (244, 68875), (250, 67222), (290, 57950), (305, 55100), (380, 44225), (475, 35380), (500, 33611), (551, 30500), (580, 28975), (610, 27550), (725, 23180), (950, 17690), (1102, 15250), (1159, 14500), (1220, 13775), (1450, 11590), (1525, 11020), (1769, 9500), (1900, 8845), (2204, 7625), (2318, 7250), (2375, 7076), (2755, 6100), (2900, 5795), (3050, 5510), (3538, 4750), (3625, 4636)]