40539520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{9049}}^1$

素因数の和:9075

約数の個数: 64

約数和(自身を含む): 110772000

約数和(自身を除く): 70232480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 9049, 18098, 36196, 45245, 63343, 72392, 90490, 126686, 144784, 180980, 253372, 289568, 316715, 361960, 506744, 579136, 633430, 723920, 1013488, 1158272, 1266860, 1447840, 2026976, 2533720, 2895680, 4053952, 5067440, 5791360, 8107904, 10134880, 20269760, 40539520]

約数ペア:

[(1, 40539520), (2, 20269760), (4, 10134880), (5, 8107904), (7, 5791360), (8, 5067440), (10, 4053952), (14, 2895680), (16, 2533720), (20, 2026976), (28, 1447840), (32, 1266860), (35, 1158272), (40, 1013488), (56, 723920), (64, 633430), (70, 579136), (80, 506744), (112, 361960), (128, 316715), (140, 289568), (160, 253372), (224, 180980), (280, 144784), (320, 126686), (448, 90490), (560, 72392), (640, 63343), (896, 45245), (1120, 36196), (2240, 18098), (4480, 9049)]