28583960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 66679200

約数和(自身を除く): 38095240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 97, 106, 139, 194, 212, 265, 278, 388, 424, 485, 530, 556, 695, 776, 970, 1060, 1112, 1390, 1940, 2120, 2780, 3880, 5141, 5560, 7367, 10282, 13483, 14734, 20564, 25705, 26966, 29468, 36835, 41128, 51410, 53932, 58936, 67415, 73670, 102820, 107864, 134830, 147340, 205640, 269660, 294680, 539320, 714599, 1429198, 2858396, 3572995, 5716792, 7145990, 14291980, 28583960]

約数ペア:

[(1, 28583960), (2, 14291980), (4, 7145990), (5, 5716792), (8, 3572995), (10, 2858396), (20, 1429198), (40, 714599), (53, 539320), (97, 294680), (106, 269660), (139, 205640), (194, 147340), (212, 134830), (265, 107864), (278, 102820), (388, 73670), (424, 67415), (485, 58936), (530, 53932), (556, 51410), (695, 41128), (776, 36835), (970, 29468), (1060, 26966), (1112, 25705), (1390, 20564), (1940, 14734), (2120, 13483), (2780, 10282), (3880, 7367), (5141, 5560)]