411280

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 984312

約数和(自身を除く): 573032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 97, 106, 194, 212, 265, 388, 424, 485, 530, 776, 848, 970, 1060, 1552, 1940, 2120, 3880, 4240, 5141, 7760, 10282, 20564, 25705, 41128, 51410, 82256, 102820, 205640, 411280]

約数ペア:

[(1, 411280), (2, 205640), (4, 102820), (5, 82256), (8, 51410), (10, 41128), (16, 25705), (20, 20564), (40, 10282), (53, 7760), (80, 5141), (97, 4240), (106, 3880), (194, 2120), (212, 1940), (265, 1552), (388, 1060), (424, 970), (485, 848), (530, 776)]