81387800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1413

約数の個数: 96

約数和(自身を含む): 212798880

約数和(自身を除く): 131411080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 25, 26, 40, 46, 50, 52, 65, 92, 100, 104, 115, 130, 184, 200, 230, 260, 299, 325, 460, 520, 575, 598, 650, 920, 1150, 1196, 1300, 1361, 1495, 2300, 2392, 2600, 2722, 2990, 4600, 5444, 5980, 6805, 7475, 10888, 11960, 13610, 14950, 17693, 27220, 29900, 31303, 34025, 35386, 54440, 59800, 62606, 68050, 70772, 88465, 125212, 136100, 141544, 156515, 176930, 250424, 272200, 313030, 353860, 406939, 442325, 626060, 707720, 782575, 813878, 884650, 1252120, 1565150, 1627756, 1769300, 2034695, 3130300, 3255512, 3538600, 4069390, 6260600, 8138780, 10173475, 16277560, 20346950, 40693900, 81387800]

約数ペア:

[(1, 81387800), (2, 40693900), (4, 20346950), (5, 16277560), (8, 10173475), (10, 8138780), (13, 6260600), (20, 4069390), (23, 3538600), (25, 3255512), (26, 3130300), (40, 2034695), (46, 1769300), (50, 1627756), (52, 1565150), (65, 1252120), (92, 884650), (100, 813878), (104, 782575), (115, 707720), (130, 626060), (184, 442325), (200, 406939), (230, 353860), (260, 313030), (299, 272200), (325, 250424), (460, 176930), (520, 156515), (575, 141544), (598, 136100), (650, 125212), (920, 88465), (1150, 70772), (1196, 68050), (1300, 62606), (1361, 59800), (1495, 54440), (2300, 35386), (2392, 34025), (2600, 31303), (2722, 29900), (2990, 27220), (4600, 17693), (5444, 14950), (5980, 13610), (6805, 11960), (7475, 10888)]