20177372240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{224993}}^1$

素因数の和:225084

約数の個数: 80

約数和(自身を含む): 50218660800

約数和(自身を除く): 30041288560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 760, 944, 1121, 1180, 1520, 2242, 2360, 4484, 4720, 5605, 8968, 11210, 17936, 22420, 44840, 89680, 224993, 449986, 899972, 1124965, 1799944, 2249930, 3599888, 4274867, 4499860, 8549734, 8999720, 13274587, 17099468, 17999440, 21374335, 26549174, 34198936, 42748670, 53098348, 66372935, 68397872, 85497340, 106196696, 132745870, 170994680, 212393392, 252217153, 265491740, 341989360, 504434306, 530983480, 1008868612, 1061966960, 1261085765, 2017737224, 2522171530, 4035474448, 5044343060, 10088686120, 20177372240]

約数ペア:

[(1, 20177372240), (2, 10088686120), (4, 5044343060), (5, 4035474448), (8, 2522171530), (10, 2017737224), (16, 1261085765), (19, 1061966960), (20, 1008868612), (38, 530983480), (40, 504434306), (59, 341989360), (76, 265491740), (80, 252217153), (95, 212393392), (118, 170994680), (152, 132745870), (190, 106196696), (236, 85497340), (295, 68397872), (304, 66372935), (380, 53098348), (472, 42748670), (590, 34198936), (760, 26549174), (944, 21374335), (1121, 17999440), (1180, 17099468), (1520, 13274587), (2242, 8999720), (2360, 8549734), (4484, 4499860), (4720, 4274867), (5605, 3599888), (8968, 2249930), (11210, 1799944), (17936, 1124965), (22420, 899972), (44840, 449986), (89680, 224993)]