4286320

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 10066320

約数和(自身を除く): 5780000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 409, 524, 655, 818, 1048, 1310, 1636, 2045, 2096, 2620, 3272, 4090, 5240, 6544, 8180, 10480, 16360, 32720, 53579, 107158, 214316, 267895, 428632, 535790, 857264, 1071580, 2143160, 4286320]

約数ペア:

[(1, 4286320), (2, 2143160), (4, 1071580), (5, 857264), (8, 535790), (10, 428632), (16, 267895), (20, 214316), (40, 107158), (80, 53579), (131, 32720), (262, 16360), (409, 10480), (524, 8180), (655, 6544), (818, 5240), (1048, 4090), (1310, 3272), (1636, 2620), (2045, 2096)]