40371380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{631}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 97257216

約数和(自身を除く): 56885836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 631, 914, 1262, 1828, 2285, 2524, 3155, 3199, 4417, 4570, 6310, 6398, 8834, 9140, 12620, 12796, 15995, 17668, 22085, 31990, 44170, 63980, 88340, 288367, 576734, 1153468, 1441835, 2018569, 2883670, 4037138, 5767340, 8074276, 10092845, 20185690, 40371380]

約数ペア:

[(1, 40371380), (2, 20185690), (4, 10092845), (5, 8074276), (7, 5767340), (10, 4037138), (14, 2883670), (20, 2018569), (28, 1441835), (35, 1153468), (70, 576734), (140, 288367), (457, 88340), (631, 63980), (914, 44170), (1262, 31990), (1828, 22085), (2285, 17668), (2524, 15995), (3155, 12796), (3199, 12620), (4417, 9140), (4570, 8834), (6310, 6398)]