42254320

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1949}}^1$

素因数の和:2233

約数の個数: 40

約数和(自身を含む): 98654400

約数和(自身を除く): 56400080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 1949, 2168, 2710, 3898, 4336, 5420, 7796, 9745, 10840, 15592, 19490, 21680, 31184, 38980, 77960, 155920, 528179, 1056358, 2112716, 2640895, 4225432, 5281790, 8450864, 10563580, 21127160, 42254320]

約数ペア:

[(1, 42254320), (2, 21127160), (4, 10563580), (5, 8450864), (8, 5281790), (10, 4225432), (16, 2640895), (20, 2112716), (40, 1056358), (80, 528179), (271, 155920), (542, 77960), (1084, 38980), (1355, 31184), (1949, 21680), (2168, 19490), (2710, 15592), (3898, 10840), (4336, 9745), (5420, 7796)]