40591040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{18121}}^1$

素因数の和:18145

約数の個数: 56

約数和(自身を含む): 110471712

約数和(自身を除く): 69880672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 18121, 36242, 72484, 90605, 126847, 144968, 181210, 253694, 289936, 362420, 507388, 579872, 634235, 724840, 1014776, 1159744, 1268470, 1449680, 2029552, 2536940, 2899360, 4059104, 5073880, 5798720, 8118208, 10147760, 20295520, 40591040]

約数ペア:

[(1, 40591040), (2, 20295520), (4, 10147760), (5, 8118208), (7, 5798720), (8, 5073880), (10, 4059104), (14, 2899360), (16, 2536940), (20, 2029552), (28, 1449680), (32, 1268470), (35, 1159744), (40, 1014776), (56, 724840), (64, 634235), (70, 579872), (80, 507388), (112, 362420), (140, 289936), (160, 253694), (224, 181210), (280, 144968), (320, 126847), (448, 90605), (560, 72484), (1120, 36242), (2240, 18121)]