42871640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{153113}}^1$

素因数の和:153131

約数の個数: 32

約数和(自身を含む): 110242080

約数和(自身を除く): 67370440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 153113, 306226, 612452, 765565, 1071791, 1224904, 1531130, 2143582, 3062260, 4287164, 5358955, 6124520, 8574328, 10717910, 21435820, 42871640]

約数ペア:

[(1, 42871640), (2, 21435820), (4, 10717910), (5, 8574328), (7, 6124520), (8, 5358955), (10, 4287164), (14, 3062260), (20, 2143582), (28, 1531130), (35, 1224904), (40, 1071791), (56, 765565), (70, 612452), (140, 306226), (280, 153113)]