2778273920

素因数分解:

$2^7\times 5^1\times {\mathrm{4341053}}^1$

素因数の和:4341072

約数の個数: 32

約数和(自身を含む): 6641812620

約数和(自身を除く): 3863538700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4341053, 8682106, 17364212, 21705265, 34728424, 43410530, 69456848, 86821060, 138913696, 173642120, 277827392, 347284240, 555654784, 694568480, 1389136960, 2778273920]

約数ペア:

[(1, 2778273920), (2, 1389136960), (4, 694568480), (5, 555654784), (8, 347284240), (10, 277827392), (16, 173642120), (20, 138913696), (32, 86821060), (40, 69456848), (64, 43410530), (80, 34728424), (128, 21705265), (160, 17364212), (320, 8682106), (640, 4341053)]