2013463280

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{1181}}^1$

素因数の和:1506

約数の個数: 80

約数和(自身を含む): 4754079648

約数和(自身を除く): 2740616368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 211, 404, 422, 505, 808, 844, 1010, 1055, 1181, 1616, 1688, 2020, 2110, 2362, 3376, 4040, 4220, 4724, 5905, 8080, 8440, 9448, 11810, 16880, 18896, 21311, 23620, 42622, 47240, 85244, 94480, 106555, 119281, 170488, 213110, 238562, 249191, 340976, 426220, 477124, 498382, 596405, 852440, 954248, 996764, 1192810, 1245955, 1704880, 1908496, 1993528, 2385620, 2491910, 3987056, 4771240, 4983820, 9542480, 9967640, 19935280, 25168291, 50336582, 100673164, 125841455, 201346328, 251682910, 402692656, 503365820, 1006731640, 2013463280]

約数ペア:

[(1, 2013463280), (2, 1006731640), (4, 503365820), (5, 402692656), (8, 251682910), (10, 201346328), (16, 125841455), (20, 100673164), (40, 50336582), (80, 25168291), (101, 19935280), (202, 9967640), (211, 9542480), (404, 4983820), (422, 4771240), (505, 3987056), (808, 2491910), (844, 2385620), (1010, 1993528), (1055, 1908496), (1181, 1704880), (1616, 1245955), (1688, 1192810), (2020, 996764), (2110, 954248), (2362, 852440), (3376, 596405), (4040, 498382), (4220, 477124), (4724, 426220), (5905, 340976), (8080, 249191), (8440, 238562), (9448, 213110), (11810, 170488), (16880, 119281), (18896, 106555), (21311, 94480), (23620, 85244), (42622, 47240)]