40199404

素因数分解:

$2^2\times 7^2\times {\mathrm{317}}^1\times {\mathrm{647}}^1$

素因数の和:982

約数の個数: 36

約数和(自身を含む): 82219536

約数和(自身を除く): 42020132

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 317, 634, 647, 1268, 1294, 2219, 2588, 4438, 4529, 8876, 9058, 15533, 18116, 31066, 31703, 62132, 63406, 126812, 205099, 410198, 820396, 1435693, 2871386, 5742772, 10049851, 20099702, 40199404]

約数ペア:

[(1, 40199404), (2, 20099702), (4, 10049851), (7, 5742772), (14, 2871386), (28, 1435693), (49, 820396), (98, 410198), (196, 205099), (317, 126812), (634, 63406), (647, 62132), (1268, 31703), (1294, 31066), (2219, 18116), (2588, 15533), (4438, 9058), (4529, 8876)]