40980800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{3659}}^1$

素因数の和:3688

約数の個数: 84

約数和(自身を含む): 115275360

約数和(自身を除く): 74294560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1120, 1400, 1600, 2240, 2800, 3659, 5600, 7318, 11200, 14636, 18295, 25613, 29272, 36590, 51226, 58544, 73180, 91475, 102452, 117088, 128065, 146360, 182950, 204904, 234176, 256130, 292720, 365900, 409808, 512260, 585440, 640325, 731800, 819616, 1024520, 1170880, 1280650, 1463600, 1639232, 2049040, 2561300, 2927200, 4098080, 5122600, 5854400, 8196160, 10245200, 20490400, 40980800]

約数ペア:

[(1, 40980800), (2, 20490400), (4, 10245200), (5, 8196160), (7, 5854400), (8, 5122600), (10, 4098080), (14, 2927200), (16, 2561300), (20, 2049040), (25, 1639232), (28, 1463600), (32, 1280650), (35, 1170880), (40, 1024520), (50, 819616), (56, 731800), (64, 640325), (70, 585440), (80, 512260), (100, 409808), (112, 365900), (140, 292720), (160, 256130), (175, 234176), (200, 204904), (224, 182950), (280, 146360), (320, 128065), (350, 117088), (400, 102452), (448, 91475), (560, 73180), (700, 58544), (800, 51226), (1120, 36590), (1400, 29272), (1600, 25613), (2240, 18295), (2800, 14636), (3659, 11200), (5600, 7318)]