160992820

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 343461888

約数和(自身を除く): 182469068

約数列:

[1, 2, 4, 5, 10, 20, 127, 241, 254, 263, 482, 508, 526, 635, 964, 1052, 1205, 1270, 1315, 2410, 2540, 2630, 4820, 5260, 30607, 33401, 61214, 63383, 66802, 122428, 126766, 133604, 153035, 167005, 253532, 306070, 316915, 334010, 612140, 633830, 668020, 1267660, 8049641, 16099282, 32198564, 40248205, 80496410, 160992820]

約数ペア:

[(1, 160992820), (2, 80496410), (4, 40248205), (5, 32198564), (10, 16099282), (20, 8049641), (127, 1267660), (241, 668020), (254, 633830), (263, 612140), (482, 334010), (508, 316915), (526, 306070), (635, 253532), (964, 167005), (1052, 153035), (1205, 133604), (1270, 126766), (1315, 122428), (2410, 66802), (2540, 63383), (2630, 61214), (4820, 33401), (5260, 30607)]