64168390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1951}}^1$

素因数の和:2005

約数の個数: 64

約数和(自身を含む): 141668352

約数和(自身を除く): 77499962

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 110, 115, 130, 143, 230, 253, 286, 299, 506, 598, 715, 1265, 1430, 1495, 1951, 2530, 2990, 3289, 3902, 6578, 9755, 16445, 19510, 21461, 25363, 32890, 42922, 44873, 50726, 89746, 107305, 126815, 214610, 224365, 253630, 278993, 448730, 493603, 557986, 583349, 987206, 1166698, 1394965, 2468015, 2789930, 2916745, 4936030, 5833490, 6416839, 12833678, 32084195, 64168390]

約数ペア:

[(1, 64168390), (2, 32084195), (5, 12833678), (10, 6416839), (11, 5833490), (13, 4936030), (22, 2916745), (23, 2789930), (26, 2468015), (46, 1394965), (55, 1166698), (65, 987206), (110, 583349), (115, 557986), (130, 493603), (143, 448730), (230, 278993), (253, 253630), (286, 224365), (299, 214610), (506, 126815), (598, 107305), (715, 89746), (1265, 50726), (1430, 44873), (1495, 42922), (1951, 32890), (2530, 25363), (2990, 21461), (3289, 19510), (3902, 16445), (6578, 9755)]