81162860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2417}}^1$

素因数の和:2522

約数の個数: 48

約数和(自身を含む): 180363456

約数和(自身を除く): 99200596

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 365, 460, 730, 1460, 1679, 2417, 3358, 4834, 6716, 8395, 9668, 12085, 16790, 24170, 33580, 48340, 55591, 111182, 176441, 222364, 277955, 352882, 555910, 705764, 882205, 1111820, 1764410, 3528820, 4058143, 8116286, 16232572, 20290715, 40581430, 81162860]

約数ペア:

[(1, 81162860), (2, 40581430), (4, 20290715), (5, 16232572), (10, 8116286), (20, 4058143), (23, 3528820), (46, 1764410), (73, 1111820), (92, 882205), (115, 705764), (146, 555910), (230, 352882), (292, 277955), (365, 222364), (460, 176441), (730, 111182), (1460, 55591), (1679, 48340), (2417, 33580), (3358, 24170), (4834, 16790), (6716, 12085), (8395, 9668)]