13306020890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^2\times {\mathrm{821}}^1$

素因数の和:1215

約数の個数: 48

約数和(自身を含む): 24523571016

約数和(自身を除く): 11217550126

約数列:

[1, 2, 5, 10, 61, 122, 163, 305, 326, 610, 815, 821, 1630, 1642, 4105, 8210, 9943, 19886, 26569, 49715, 50081, 53138, 99430, 100162, 132845, 133823, 250405, 265690, 267646, 500810, 669115, 1338230, 1620709, 3241418, 8103545, 8163203, 16207090, 16326406, 21813149, 40816015, 43626298, 81632030, 109065745, 218131490, 1330602089, 2661204178, 6653010445, 13306020890]

約数ペア:

[(1, 13306020890), (2, 6653010445), (5, 2661204178), (10, 1330602089), (61, 218131490), (122, 109065745), (163, 81632030), (305, 43626298), (326, 40816015), (610, 21813149), (815, 16326406), (821, 16207090), (1630, 8163203), (1642, 8103545), (4105, 3241418), (8210, 1620709), (9943, 1338230), (19886, 669115), (26569, 500810), (49715, 267646), (50081, 265690), (53138, 250405), (99430, 133823), (100162, 132845)]