129522160

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16691}}^1$

素因数の和:16801

約数の個数: 40

約数和(自身を含む): 304261776

約数和(自身を除く): 174739616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 16691, 33382, 66764, 83455, 133528, 166910, 267056, 333820, 667640, 1335280, 1619027, 3238054, 6476108, 8095135, 12952216, 16190270, 25904432, 32380540, 64761080, 129522160]

約数ペア:

[(1, 129522160), (2, 64761080), (4, 32380540), (5, 25904432), (8, 16190270), (10, 12952216), (16, 8095135), (20, 6476108), (40, 3238054), (80, 1619027), (97, 1335280), (194, 667640), (388, 333820), (485, 267056), (776, 166910), (970, 133528), (1552, 83455), (1940, 66764), (3880, 33382), (7760, 16691)]