64902860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15527}}^1$

素因数の和:15566

約数の個数: 48

約数和(自身を含む): 156522240

約数和(自身を除く): 91619380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 15527, 31054, 62108, 77635, 155270, 170797, 295013, 310540, 341594, 590026, 683188, 853985, 1180052, 1475065, 1707970, 2950130, 3245143, 3415940, 5900260, 6490286, 12980572, 16225715, 32451430, 64902860]

約数ペア:

[(1, 64902860), (2, 32451430), (4, 16225715), (5, 12980572), (10, 6490286), (11, 5900260), (19, 3415940), (20, 3245143), (22, 2950130), (38, 1707970), (44, 1475065), (55, 1180052), (76, 853985), (95, 683188), (110, 590026), (190, 341594), (209, 310540), (220, 295013), (380, 170797), (418, 155270), (836, 77635), (1045, 62108), (2090, 31054), (4180, 15527)]