25905440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:426

約数の個数: 96

約数和(自身を含む): 68584320

約数和(自身を除く): 42678880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 110, 160, 164, 176, 205, 220, 328, 352, 359, 410, 440, 451, 656, 718, 820, 880, 902, 1312, 1436, 1640, 1760, 1795, 1804, 2255, 2872, 3280, 3590, 3608, 3949, 4510, 5744, 6560, 7180, 7216, 7898, 9020, 11488, 14360, 14432, 14719, 15796, 18040, 19745, 28720, 29438, 31592, 36080, 39490, 57440, 58876, 63184, 72160, 73595, 78980, 117752, 126368, 147190, 157960, 161909, 235504, 294380, 315920, 323818, 471008, 588760, 631840, 647636, 809545, 1177520, 1295272, 1619090, 2355040, 2590544, 3238180, 5181088, 6476360, 12952720, 25905440]

約数ペア:

[(1, 25905440), (2, 12952720), (4, 6476360), (5, 5181088), (8, 3238180), (10, 2590544), (11, 2355040), (16, 1619090), (20, 1295272), (22, 1177520), (32, 809545), (40, 647636), (41, 631840), (44, 588760), (55, 471008), (80, 323818), (82, 315920), (88, 294380), (110, 235504), (160, 161909), (164, 157960), (176, 147190), (205, 126368), (220, 117752), (328, 78980), (352, 73595), (359, 72160), (410, 63184), (440, 58876), (451, 57440), (656, 39490), (718, 36080), (820, 31592), (880, 29438), (902, 28720), (1312, 19745), (1436, 18040), (1640, 15796), (1760, 14719), (1795, 14432), (1804, 14360), (2255, 11488), (2872, 9020), (3280, 7898), (3590, 7216), (3608, 7180), (3949, 6560), (4510, 5744)]