13205299960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{21433}}^1$

素因数の和:21728

約数の個数: 64

約数和(自身を含む): 30263093280

約数和(自身を除く): 17057793320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 211, 292, 365, 422, 584, 730, 844, 1055, 1460, 1688, 2110, 2920, 4220, 8440, 15403, 21433, 30806, 42866, 61612, 77015, 85732, 107165, 123224, 154030, 171464, 214330, 308060, 428660, 616120, 857320, 1564609, 3129218, 4522363, 6258436, 7823045, 9044726, 12516872, 15646090, 18089452, 22611815, 31292180, 36178904, 45223630, 62584360, 90447260, 180894520, 330132499, 660264998, 1320529996, 1650662495, 2641059992, 3301324990, 6602649980, 13205299960]

約数ペア:

[(1, 13205299960), (2, 6602649980), (4, 3301324990), (5, 2641059992), (8, 1650662495), (10, 1320529996), (20, 660264998), (40, 330132499), (73, 180894520), (146, 90447260), (211, 62584360), (292, 45223630), (365, 36178904), (422, 31292180), (584, 22611815), (730, 18089452), (844, 15646090), (1055, 12516872), (1460, 9044726), (1688, 7823045), (2110, 6258436), (2920, 4522363), (4220, 3129218), (8440, 1564609), (15403, 857320), (21433, 616120), (30806, 428660), (42866, 308060), (61612, 214330), (77015, 171464), (85732, 154030), (107165, 123224)]