30985360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55331}}^1$

素因数の和:55351

約数の個数: 40

約数和(自身を含む): 82334016

約数和(自身を除く): 51348656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55331, 110662, 221324, 276655, 387317, 442648, 553310, 774634, 885296, 1106620, 1549268, 1936585, 2213240, 3098536, 3873170, 4426480, 6197072, 7746340, 15492680, 30985360]

約数ペア:

[(1, 30985360), (2, 15492680), (4, 7746340), (5, 6197072), (7, 4426480), (8, 3873170), (10, 3098536), (14, 2213240), (16, 1936585), (20, 1549268), (28, 1106620), (35, 885296), (40, 774634), (56, 553310), (70, 442648), (80, 387317), (112, 276655), (140, 221324), (280, 110662), (560, 55331)]