12958742020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1381529}}^1$

素因数の和:1381612

約数の個数: 48

約数和(自身を含む): 31565197440

約数和(自身を除く): 18606455420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 1381529, 2763058, 5526116, 6907645, 9670703, 13815290, 19341406, 27630580, 38682812, 48353515, 92562443, 96707030, 185124886, 193414060, 370249772, 462812215, 647937101, 925624430, 1295874202, 1851248860, 2591748404, 3239685505, 6479371010, 12958742020]

約数ペア:

[(1, 12958742020), (2, 6479371010), (4, 3239685505), (5, 2591748404), (7, 1851248860), (10, 1295874202), (14, 925624430), (20, 647937101), (28, 462812215), (35, 370249772), (67, 193414060), (70, 185124886), (134, 96707030), (140, 92562443), (268, 48353515), (335, 38682812), (469, 27630580), (670, 19341406), (938, 13815290), (1340, 9670703), (1876, 6907645), (2345, 5526116), (4690, 2763058), (9380, 1381529)]