19703200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2239}}^1$

素因数の和:2270

約数の個数: 72

約数和(自身を含む): 52496640

約数和(自身を除く): 32793440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2239, 4400, 4478, 8800, 8956, 11195, 17912, 22390, 24629, 35824, 44780, 49258, 55975, 71648, 89560, 98516, 111950, 123145, 179120, 197032, 223900, 246290, 358240, 394064, 447800, 492580, 615725, 788128, 895600, 985160, 1231450, 1791200, 1970320, 2462900, 3940640, 4925800, 9851600, 19703200]

約数ペア:

[(1, 19703200), (2, 9851600), (4, 4925800), (5, 3940640), (8, 2462900), (10, 1970320), (11, 1791200), (16, 1231450), (20, 985160), (22, 895600), (25, 788128), (32, 615725), (40, 492580), (44, 447800), (50, 394064), (55, 358240), (80, 246290), (88, 223900), (100, 197032), (110, 179120), (160, 123145), (176, 111950), (200, 98516), (220, 89560), (275, 71648), (352, 55975), (400, 49258), (440, 44780), (550, 35824), (800, 24629), (880, 22390), (1100, 17912), (1760, 11195), (2200, 8956), (2239, 8800), (4400, 4478)]