51581200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:665

約数の個数: 120

約数和(自身を含む): 142535520

約数和(自身を除く): 90954320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 152, 176, 190, 200, 209, 220, 275, 304, 380, 400, 418, 440, 475, 550, 617, 760, 836, 880, 950, 1045, 1100, 1234, 1520, 1672, 1900, 2090, 2200, 2468, 3085, 3344, 3800, 4180, 4400, 4936, 5225, 6170, 6787, 7600, 8360, 9872, 10450, 11723, 12340, 13574, 15425, 16720, 20900, 23446, 24680, 27148, 30850, 33935, 41800, 46892, 49360, 54296, 58615, 61700, 67870, 83600, 93784, 108592, 117230, 123400, 128953, 135740, 169675, 187568, 234460, 246800, 257906, 271480, 293075, 339350, 468920, 515812, 542960, 586150, 644765, 678700, 937840, 1031624, 1172300, 1289530, 1357400, 2063248, 2344600, 2579060, 2714800, 3223825, 4689200, 5158120, 6447650, 10316240, 12895300, 25790600, 51581200]

約数ペア:

[(1, 51581200), (2, 25790600), (4, 12895300), (5, 10316240), (8, 6447650), (10, 5158120), (11, 4689200), (16, 3223825), (19, 2714800), (20, 2579060), (22, 2344600), (25, 2063248), (38, 1357400), (40, 1289530), (44, 1172300), (50, 1031624), (55, 937840), (76, 678700), (80, 644765), (88, 586150), (95, 542960), (100, 515812), (110, 468920), (152, 339350), (176, 293075), (190, 271480), (200, 257906), (209, 246800), (220, 234460), (275, 187568), (304, 169675), (380, 135740), (400, 128953), (418, 123400), (440, 117230), (475, 108592), (550, 93784), (617, 83600), (760, 67870), (836, 61700), (880, 58615), (950, 54296), (1045, 49360), (1100, 46892), (1234, 41800), (1520, 33935), (1672, 30850), (1900, 27148), (2090, 24680), (2200, 23446), (2468, 20900), (3085, 16720), (3344, 15425), (3800, 13574), (4180, 12340), (4400, 11723), (4936, 10450), (5225, 9872), (6170, 8360), (6787, 7600)]