40880020760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{270299}}^1$

素因数の和:270528

約数の個数: 64

約数和(自身を含む): 97308000000

約数和(自身を除く): 56427979240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 380, 398, 760, 796, 995, 1592, 1990, 3781, 3980, 7562, 7960, 15124, 18905, 30248, 37810, 75620, 151240, 270299, 540598, 1081196, 1351495, 2162392, 2702990, 5135681, 5405980, 10271362, 10811960, 20542724, 25678405, 41085448, 51356810, 53789501, 102713620, 107579002, 205427240, 215158004, 268947505, 430316008, 537895010, 1022000519, 1075790020, 2044001038, 2151580040, 4088002076, 5110002595, 8176004152, 10220005190, 20440010380, 40880020760]

約数ペア:

[(1, 40880020760), (2, 20440010380), (4, 10220005190), (5, 8176004152), (8, 5110002595), (10, 4088002076), (19, 2151580040), (20, 2044001038), (38, 1075790020), (40, 1022000519), (76, 537895010), (95, 430316008), (152, 268947505), (190, 215158004), (199, 205427240), (380, 107579002), (398, 102713620), (760, 53789501), (796, 51356810), (995, 41085448), (1592, 25678405), (1990, 20542724), (3781, 10811960), (3980, 10271362), (7562, 5405980), (7960, 5135681), (15124, 2702990), (18905, 2162392), (30248, 1351495), (37810, 1081196), (75620, 540598), (151240, 270299)]