16490480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{571}}^1$

素因数の和:622

約数の個数: 60

約数和(自身を含む): 40535352

約数和(自身を除く): 24044872

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 571, 722, 760, 1142, 1444, 1520, 1805, 2284, 2855, 2888, 3610, 4568, 5710, 5776, 7220, 9136, 10849, 11420, 14440, 21698, 22840, 28880, 43396, 45680, 54245, 86792, 108490, 173584, 206131, 216980, 412262, 433960, 824524, 867920, 1030655, 1649048, 2061310, 3298096, 4122620, 8245240, 16490480]

約数ペア:

[(1, 16490480), (2, 8245240), (4, 4122620), (5, 3298096), (8, 2061310), (10, 1649048), (16, 1030655), (19, 867920), (20, 824524), (38, 433960), (40, 412262), (76, 216980), (80, 206131), (95, 173584), (152, 108490), (190, 86792), (304, 54245), (361, 45680), (380, 43396), (571, 28880), (722, 22840), (760, 21698), (1142, 14440), (1444, 11420), (1520, 10849), (1805, 9136), (2284, 7220), (2855, 5776), (2888, 5710), (3610, 4568)]