1019513960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{322631}}^1$

素因数の和:322721

約数の個数: 32

約数和(自身を含む): 2322950400

約数和(自身を除く): 1303436440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 322631, 645262, 1290524, 1613155, 2581048, 3226310, 6452620, 12905240, 25487849, 50975698, 101951396, 127439245, 203902792, 254878490, 509756980, 1019513960]

約数ペア:

[(1, 1019513960), (2, 509756980), (4, 254878490), (5, 203902792), (8, 127439245), (10, 101951396), (20, 50975698), (40, 25487849), (79, 12905240), (158, 6452620), (316, 3226310), (395, 2581048), (632, 1613155), (790, 1290524), (1580, 645262), (3160, 322631)]