40731704

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 84589920

約数和(自身を除く): 43858216

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 169, 188, 338, 376, 611, 641, 676, 1222, 1282, 1352, 2444, 2564, 4888, 5128, 7943, 8333, 15886, 16666, 30127, 31772, 33332, 60254, 63544, 66664, 108329, 120508, 216658, 241016, 391651, 433316, 783302, 866632, 1566604, 3133208, 5091463, 10182926, 20365852, 40731704]

約数ペア:

[(1, 40731704), (2, 20365852), (4, 10182926), (8, 5091463), (13, 3133208), (26, 1566604), (47, 866632), (52, 783302), (94, 433316), (104, 391651), (169, 241016), (188, 216658), (338, 120508), (376, 108329), (611, 66664), (641, 63544), (676, 60254), (1222, 33332), (1282, 31772), (1352, 30127), (2444, 16666), (2564, 15886), (4888, 8333), (5128, 7943)]