84495280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55589}}^1$

素因数の和:55621

約数の個数: 40

約数和(自身を含む): 206794800

約数和(自身を除く): 122299520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 55589, 111178, 222356, 277945, 444712, 555890, 889424, 1056191, 1111780, 2112382, 2223560, 4224764, 4447120, 5280955, 8449528, 10561910, 16899056, 21123820, 42247640, 84495280]

約数ペア:

[(1, 84495280), (2, 42247640), (4, 21123820), (5, 16899056), (8, 10561910), (10, 8449528), (16, 5280955), (19, 4447120), (20, 4224764), (38, 2223560), (40, 2112382), (76, 1111780), (80, 1056191), (95, 889424), (152, 555890), (190, 444712), (304, 277945), (380, 222356), (760, 111178), (1520, 55589)]