13325320

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2543}}^1$

素因数の和:2685

約数の個数: 32

約数和(自身を含む): 30222720

約数和(自身を除く): 16897400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2543, 2620, 5086, 5240, 10172, 12715, 20344, 25430, 50860, 101720, 333133, 666266, 1332532, 1665665, 2665064, 3331330, 6662660, 13325320]

約数ペア:

[(1, 13325320), (2, 6662660), (4, 3331330), (5, 2665064), (8, 1665665), (10, 1332532), (20, 666266), (40, 333133), (131, 101720), (262, 50860), (524, 25430), (655, 20344), (1048, 12715), (1310, 10172), (2543, 5240), (2620, 5086)]