1328804560

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{72533}}^1$

素因数の和:72775

約数の個数: 40

約数和(自身を含む): 3103004520

約数和(自身を除く): 1774199960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 18320, 72533, 145066, 290132, 362665, 580264, 725330, 1160528, 1450660, 2901320, 5802640, 16610057, 33220114, 66440228, 83050285, 132880456, 166100570, 265760912, 332201140, 664402280, 1328804560]

約数ペア:

[(1, 1328804560), (2, 664402280), (4, 332201140), (5, 265760912), (8, 166100570), (10, 132880456), (16, 83050285), (20, 66440228), (40, 33220114), (80, 16610057), (229, 5802640), (458, 2901320), (916, 1450660), (1145, 1160528), (1832, 725330), (2290, 580264), (3664, 362665), (4580, 290132), (9160, 145066), (18320, 72533)]