40581680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 98993664

約数和(自身を除く): 58411984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 172, 188, 215, 235, 251, 344, 376, 430, 470, 502, 688, 752, 860, 940, 1004, 1255, 1720, 1880, 2008, 2021, 2510, 3440, 3760, 4016, 4042, 5020, 8084, 10040, 10105, 10793, 11797, 16168, 20080, 20210, 21586, 23594, 32336, 40420, 43172, 47188, 53965, 58985, 80840, 86344, 94376, 107930, 117970, 161680, 172688, 188752, 215860, 235940, 431720, 471880, 507271, 863440, 943760, 1014542, 2029084, 2536355, 4058168, 5072710, 8116336, 10145420, 20290840, 40581680]

約数ペア:

[(1, 40581680), (2, 20290840), (4, 10145420), (5, 8116336), (8, 5072710), (10, 4058168), (16, 2536355), (20, 2029084), (40, 1014542), (43, 943760), (47, 863440), (80, 507271), (86, 471880), (94, 431720), (172, 235940), (188, 215860), (215, 188752), (235, 172688), (251, 161680), (344, 117970), (376, 107930), (430, 94376), (470, 86344), (502, 80840), (688, 58985), (752, 53965), (860, 47188), (940, 43172), (1004, 40420), (1255, 32336), (1720, 23594), (1880, 21586), (2008, 20210), (2021, 20080), (2510, 16168), (3440, 11797), (3760, 10793), (4016, 10105), (4042, 10040), (5020, 8084)]