55231280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2309}}^1$

素因数の和:2358

約数の個数: 80

約数和(自身を含む): 144365760

約数和(自身を除く): 89134480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2309, 2392, 2990, 4618, 4784, 5980, 9236, 11545, 11960, 18472, 23090, 23920, 30017, 36944, 46180, 53107, 60034, 92360, 106214, 120068, 150085, 184720, 212428, 240136, 265535, 300170, 424856, 480272, 531070, 600340, 690391, 849712, 1062140, 1200680, 1380782, 2124280, 2401360, 2761564, 3451955, 4248560, 5523128, 6903910, 11046256, 13807820, 27615640, 55231280]

約数ペア:

[(1, 55231280), (2, 27615640), (4, 13807820), (5, 11046256), (8, 6903910), (10, 5523128), (13, 4248560), (16, 3451955), (20, 2761564), (23, 2401360), (26, 2124280), (40, 1380782), (46, 1200680), (52, 1062140), (65, 849712), (80, 690391), (92, 600340), (104, 531070), (115, 480272), (130, 424856), (184, 300170), (208, 265535), (230, 240136), (260, 212428), (299, 184720), (368, 150085), (460, 120068), (520, 106214), (598, 92360), (920, 60034), (1040, 53107), (1196, 46180), (1495, 36944), (1840, 30017), (2309, 23920), (2392, 23090), (2990, 18472), (4618, 11960), (4784, 11545), (5980, 9236)]