38221840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 93494016

約数和(自身を除く): 55272176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 271, 328, 344, 410, 430, 542, 656, 688, 820, 860, 1084, 1355, 1640, 1720, 1763, 2168, 2710, 3280, 3440, 3526, 4336, 5420, 7052, 8815, 10840, 11111, 11653, 14104, 17630, 21680, 22222, 23306, 28208, 35260, 44444, 46612, 55555, 58265, 70520, 88888, 93224, 111110, 116530, 141040, 177776, 186448, 222220, 233060, 444440, 466120, 477773, 888880, 932240, 955546, 1911092, 2388865, 3822184, 4777730, 7644368, 9555460, 19110920, 38221840]

約数ペア:

[(1, 38221840), (2, 19110920), (4, 9555460), (5, 7644368), (8, 4777730), (10, 3822184), (16, 2388865), (20, 1911092), (40, 955546), (41, 932240), (43, 888880), (80, 477773), (82, 466120), (86, 444440), (164, 233060), (172, 222220), (205, 186448), (215, 177776), (271, 141040), (328, 116530), (344, 111110), (410, 93224), (430, 88888), (542, 70520), (656, 58265), (688, 55555), (820, 46612), (860, 44444), (1084, 35260), (1355, 28208), (1640, 23306), (1720, 22222), (1763, 21680), (2168, 17630), (2710, 14104), (3280, 11653), (3440, 11111), (3526, 10840), (4336, 8815), (5420, 7052)]