202200520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 469929600

約数和(自身を除く): 267729080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 139, 164, 205, 278, 328, 410, 556, 695, 820, 887, 1112, 1390, 1640, 1774, 2780, 3548, 4435, 5560, 5699, 7096, 8870, 11398, 17740, 22796, 28495, 35480, 36367, 45592, 56990, 72734, 113980, 123293, 145468, 181835, 227960, 246586, 290936, 363670, 493172, 616465, 727340, 986344, 1232930, 1454680, 2465860, 4931720, 5055013, 10110026, 20220052, 25275065, 40440104, 50550130, 101100260, 202200520]

約数ペア:

[(1, 202200520), (2, 101100260), (4, 50550130), (5, 40440104), (8, 25275065), (10, 20220052), (20, 10110026), (40, 5055013), (41, 4931720), (82, 2465860), (139, 1454680), (164, 1232930), (205, 986344), (278, 727340), (328, 616465), (410, 493172), (556, 363670), (695, 290936), (820, 246586), (887, 227960), (1112, 181835), (1390, 145468), (1640, 123293), (1774, 113980), (2780, 72734), (3548, 56990), (4435, 45592), (5560, 36367), (5699, 35480), (7096, 28495), (8870, 22796), (11398, 17740)]