856360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 1958400

約数和(自身を除く): 1102040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 271, 316, 395, 542, 632, 790, 1084, 1355, 1580, 2168, 2710, 3160, 5420, 10840, 21409, 42818, 85636, 107045, 171272, 214090, 428180, 856360]

約数ペア:

[(1, 856360), (2, 428180), (4, 214090), (5, 171272), (8, 107045), (10, 85636), (20, 42818), (40, 21409), (79, 10840), (158, 5420), (271, 3160), (316, 2710), (395, 2168), (542, 1580), (632, 1355), (790, 1084)]