28103622640

素因数分解:

$2^4\times 5^1\times {\mathrm{2389}}^1\times {\mathrm{147047}}^1$

素因数の和:149449

約数の個数: 40

約数和(自身を含む): 65368717920

約数和(自身を除く): 37265095280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2389, 4778, 9556, 11945, 19112, 23890, 38224, 47780, 95560, 147047, 191120, 294094, 588188, 735235, 1176376, 1470470, 2352752, 2940940, 5881880, 11763760, 351295283, 702590566, 1405181132, 1756476415, 2810362264, 3512952830, 5620724528, 7025905660, 14051811320, 28103622640]

約数ペア:

[(1, 28103622640), (2, 14051811320), (4, 7025905660), (5, 5620724528), (8, 3512952830), (10, 2810362264), (16, 1756476415), (20, 1405181132), (40, 702590566), (80, 351295283), (2389, 11763760), (4778, 5881880), (9556, 2940940), (11945, 2352752), (19112, 1470470), (23890, 1176376), (38224, 735235), (47780, 588188), (95560, 294094), (147047, 191120)]