80471840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 202849920

約数和(自身を除く): 122378080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 103, 152, 160, 190, 206, 257, 304, 380, 412, 514, 515, 608, 760, 824, 1028, 1030, 1285, 1520, 1648, 1957, 2056, 2060, 2570, 3040, 3296, 3914, 4112, 4120, 4883, 5140, 7828, 8224, 8240, 9766, 9785, 10280, 15656, 16480, 19532, 19570, 20560, 24415, 26471, 31312, 39064, 39140, 41120, 48830, 52942, 62624, 78128, 78280, 97660, 105884, 132355, 156256, 156560, 195320, 211768, 264710, 313120, 390640, 423536, 502949, 529420, 781280, 847072, 1005898, 1058840, 2011796, 2117680, 2514745, 4023592, 4235360, 5029490, 8047184, 10058980, 16094368, 20117960, 40235920, 80471840]

約数ペア:

[(1, 80471840), (2, 40235920), (4, 20117960), (5, 16094368), (8, 10058980), (10, 8047184), (16, 5029490), (19, 4235360), (20, 4023592), (32, 2514745), (38, 2117680), (40, 2011796), (76, 1058840), (80, 1005898), (95, 847072), (103, 781280), (152, 529420), (160, 502949), (190, 423536), (206, 390640), (257, 313120), (304, 264710), (380, 211768), (412, 195320), (514, 156560), (515, 156256), (608, 132355), (760, 105884), (824, 97660), (1028, 78280), (1030, 78128), (1285, 62624), (1520, 52942), (1648, 48830), (1957, 41120), (2056, 39140), (2060, 39064), (2570, 31312), (3040, 26471), (3296, 24415), (3914, 20560), (4112, 19570), (4120, 19532), (4883, 16480), (5140, 15656), (7828, 10280), (8224, 9785), (8240, 9766)]