40490240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{4519}}^1$

素因数の和:4547

約数の個数: 72

約数和(自身を含む): 110866560

約数和(自身を除く): 70376320

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 4519, 8960, 9038, 18076, 22595, 31633, 36152, 45190, 63266, 72304, 90380, 126532, 144608, 158165, 180760, 253064, 289216, 316330, 361520, 506128, 578432, 632660, 723040, 1012256, 1156864, 1265320, 1446080, 2024512, 2530640, 2892160, 4049024, 5061280, 5784320, 8098048, 10122560, 20245120, 40490240]

約数ペア:

[(1, 40490240), (2, 20245120), (4, 10122560), (5, 8098048), (7, 5784320), (8, 5061280), (10, 4049024), (14, 2892160), (16, 2530640), (20, 2024512), (28, 1446080), (32, 1265320), (35, 1156864), (40, 1012256), (56, 723040), (64, 632660), (70, 578432), (80, 506128), (112, 361520), (128, 316330), (140, 289216), (160, 253064), (224, 180760), (256, 158165), (280, 144608), (320, 126532), (448, 90380), (560, 72304), (640, 63266), (896, 45190), (1120, 36152), (1280, 31633), (1792, 22595), (2240, 18076), (4480, 9038), (4519, 8960)]