53745920

素因数分解:

$2^8\times 5^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 129998400

約数和(自身を除く): 76252480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 211, 256, 320, 398, 422, 640, 796, 844, 995, 1055, 1280, 1592, 1688, 1990, 2110, 3184, 3376, 3980, 4220, 6368, 6752, 7960, 8440, 12736, 13504, 15920, 16880, 25472, 27008, 31840, 33760, 41989, 50944, 54016, 63680, 67520, 83978, 127360, 135040, 167956, 209945, 254720, 270080, 335912, 419890, 671824, 839780, 1343648, 1679560, 2687296, 3359120, 5374592, 6718240, 10749184, 13436480, 26872960, 53745920]

約数ペア:

[(1, 53745920), (2, 26872960), (4, 13436480), (5, 10749184), (8, 6718240), (10, 5374592), (16, 3359120), (20, 2687296), (32, 1679560), (40, 1343648), (64, 839780), (80, 671824), (128, 419890), (160, 335912), (199, 270080), (211, 254720), (256, 209945), (320, 167956), (398, 135040), (422, 127360), (640, 83978), (796, 67520), (844, 63680), (995, 54016), (1055, 50944), (1280, 41989), (1592, 33760), (1688, 31840), (1990, 27008), (2110, 25472), (3184, 16880), (3376, 15920), (3980, 13504), (4220, 12736), (6368, 8440), (6752, 7960)]