65493740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2311}}^1$

素因数の和:2442

約数の個数: 48

約数和(自身を含む): 149540160

約数和(自身を除く): 84046420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2311, 2834, 4622, 5668, 7085, 9244, 11555, 14170, 23110, 28340, 30043, 46220, 60086, 120172, 150215, 251899, 300430, 503798, 600860, 1007596, 1259495, 2518990, 3274687, 5037980, 6549374, 13098748, 16373435, 32746870, 65493740]

約数ペア:

[(1, 65493740), (2, 32746870), (4, 16373435), (5, 13098748), (10, 6549374), (13, 5037980), (20, 3274687), (26, 2518990), (52, 1259495), (65, 1007596), (109, 600860), (130, 503798), (218, 300430), (260, 251899), (436, 150215), (545, 120172), (1090, 60086), (1417, 46220), (2180, 30043), (2311, 28340), (2834, 23110), (4622, 14170), (5668, 11555), (7085, 9244)]