26920808720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{364583}}^1$

素因数の和:364680

約数の個数: 80

約数和(自身を含む): 68355124992

約数和(自身を除く): 41434316272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1136, 1420, 1846, 2840, 3692, 4615, 5680, 7384, 9230, 14768, 18460, 36920, 73840, 364583, 729166, 1458332, 1822915, 2916664, 3645830, 4739579, 5833328, 7291660, 9479158, 14583320, 18958316, 23697895, 25885393, 29166640, 37916632, 47395790, 51770786, 75833264, 94791580, 103541572, 129426965, 189583160, 207083144, 258853930, 336510109, 379166320, 414166288, 517707860, 673020218, 1035415720, 1346040436, 1682550545, 2070831440, 2692080872, 3365101090, 5384161744, 6730202180, 13460404360, 26920808720]

約数ペア:

[(1, 26920808720), (2, 13460404360), (4, 6730202180), (5, 5384161744), (8, 3365101090), (10, 2692080872), (13, 2070831440), (16, 1682550545), (20, 1346040436), (26, 1035415720), (40, 673020218), (52, 517707860), (65, 414166288), (71, 379166320), (80, 336510109), (104, 258853930), (130, 207083144), (142, 189583160), (208, 129426965), (260, 103541572), (284, 94791580), (355, 75833264), (520, 51770786), (568, 47395790), (710, 37916632), (923, 29166640), (1040, 25885393), (1136, 23697895), (1420, 18958316), (1846, 14583320), (2840, 9479158), (3692, 7291660), (4615, 5833328), (5680, 4739579), (7384, 3645830), (9230, 2916664), (14768, 1822915), (18460, 1458332), (36920, 729166), (73840, 364583)]