38720480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 98703360

約数和(自身を除く): 59982880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 76, 80, 94, 95, 152, 160, 188, 190, 235, 271, 304, 376, 380, 470, 542, 608, 752, 760, 893, 940, 1084, 1355, 1504, 1520, 1786, 1880, 2168, 2710, 3040, 3572, 3760, 4336, 4465, 5149, 5420, 7144, 7520, 8672, 8930, 10298, 10840, 12737, 14288, 17860, 20596, 21680, 25474, 25745, 28576, 35720, 41192, 43360, 50948, 51490, 63685, 71440, 82384, 101896, 102980, 127370, 142880, 164768, 203792, 205960, 242003, 254740, 407584, 411920, 484006, 509480, 823840, 968012, 1018960, 1210015, 1936024, 2037920, 2420030, 3872048, 4840060, 7744096, 9680120, 19360240, 38720480]

約数ペア:

[(1, 38720480), (2, 19360240), (4, 9680120), (5, 7744096), (8, 4840060), (10, 3872048), (16, 2420030), (19, 2037920), (20, 1936024), (32, 1210015), (38, 1018960), (40, 968012), (47, 823840), (76, 509480), (80, 484006), (94, 411920), (95, 407584), (152, 254740), (160, 242003), (188, 205960), (190, 203792), (235, 164768), (271, 142880), (304, 127370), (376, 102980), (380, 101896), (470, 82384), (542, 71440), (608, 63685), (752, 51490), (760, 50948), (893, 43360), (940, 41192), (1084, 35720), (1355, 28576), (1504, 25745), (1520, 25474), (1786, 21680), (1880, 20596), (2168, 17860), (2710, 14288), (3040, 12737), (3572, 10840), (3760, 10298), (4336, 8930), (4465, 8672), (5149, 7520), (5420, 7144)]