20194994480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{119243}}^1$

素因数の和:119358

約数の個数: 80

約数和(自身を含む): 49238232480

約数和(自身を除く): 29043238000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 73, 80, 116, 145, 146, 232, 290, 292, 365, 464, 580, 584, 730, 1160, 1168, 1460, 2117, 2320, 2920, 4234, 5840, 8468, 10585, 16936, 21170, 33872, 42340, 84680, 119243, 169360, 238486, 476972, 596215, 953944, 1192430, 1907888, 2384860, 3458047, 4769720, 6916094, 8704739, 9539440, 13832188, 17290235, 17409478, 27664376, 34580470, 34818956, 43523695, 55328752, 69160940, 69637912, 87047390, 138321880, 139275824, 174094780, 252437431, 276643760, 348189560, 504874862, 696379120, 1009749724, 1262187155, 2019499448, 2524374310, 4038998896, 5048748620, 10097497240, 20194994480]

約数ペア:

[(1, 20194994480), (2, 10097497240), (4, 5048748620), (5, 4038998896), (8, 2524374310), (10, 2019499448), (16, 1262187155), (20, 1009749724), (29, 696379120), (40, 504874862), (58, 348189560), (73, 276643760), (80, 252437431), (116, 174094780), (145, 139275824), (146, 138321880), (232, 87047390), (290, 69637912), (292, 69160940), (365, 55328752), (464, 43523695), (580, 34818956), (584, 34580470), (730, 27664376), (1160, 17409478), (1168, 17290235), (1460, 13832188), (2117, 9539440), (2320, 8704739), (2920, 6916094), (4234, 4769720), (5840, 3458047), (8468, 2384860), (10585, 1907888), (16936, 1192430), (21170, 953944), (33872, 596215), (42340, 476972), (84680, 238486), (119243, 169360)]