13446680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 34322400

約数和(自身を除く): 20875720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1361, 1976, 2470, 2722, 4940, 5444, 6805, 9880, 10888, 13610, 17693, 25859, 27220, 35386, 51718, 54440, 70772, 88465, 103436, 129295, 141544, 176930, 206872, 258590, 336167, 353860, 517180, 672334, 707720, 1034360, 1344668, 1680835, 2689336, 3361670, 6723340, 13446680]

約数ペア:

[(1, 13446680), (2, 6723340), (4, 3361670), (5, 2689336), (8, 1680835), (10, 1344668), (13, 1034360), (19, 707720), (20, 672334), (26, 517180), (38, 353860), (40, 336167), (52, 258590), (65, 206872), (76, 176930), (95, 141544), (104, 129295), (130, 103436), (152, 88465), (190, 70772), (247, 54440), (260, 51718), (380, 35386), (494, 27220), (520, 25859), (760, 17693), (988, 13610), (1235, 10888), (1361, 9880), (1976, 6805), (2470, 5444), (2722, 4940)]