1305897280

素因数分解:

$2^6\times 5^1\times {\mathrm{977}}^1\times {\mathrm{4177}}^1$

素因数の和:5171

約数の個数: 56

約数和(自身を含む): 3113596008

約数和(自身を除く): 1807698728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 977, 1954, 3908, 4177, 4885, 7816, 8354, 9770, 15632, 16708, 19540, 20885, 31264, 33416, 39080, 41770, 62528, 66832, 78160, 83540, 133664, 156320, 167080, 267328, 312640, 334160, 668320, 1336640, 4080929, 8161858, 16323716, 20404645, 32647432, 40809290, 65294864, 81618580, 130589728, 163237160, 261179456, 326474320, 652948640, 1305897280]

約数ペア:

[(1, 1305897280), (2, 652948640), (4, 326474320), (5, 261179456), (8, 163237160), (10, 130589728), (16, 81618580), (20, 65294864), (32, 40809290), (40, 32647432), (64, 20404645), (80, 16323716), (160, 8161858), (320, 4080929), (977, 1336640), (1954, 668320), (3908, 334160), (4177, 312640), (4885, 267328), (7816, 167080), (8354, 156320), (9770, 133664), (15632, 83540), (16708, 78160), (19540, 66832), (20885, 62528), (31264, 41770), (33416, 39080)]