7823440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5147}}^1$

素因数の和:5179

約数の個数: 40

約数和(自身を含む): 19150560

約数和(自身を除く): 11327120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5147, 10294, 20588, 25735, 41176, 51470, 82352, 97793, 102940, 195586, 205880, 391172, 411760, 488965, 782344, 977930, 1564688, 1955860, 3911720, 7823440]

約数ペア:

[(1, 7823440), (2, 3911720), (4, 1955860), (5, 1564688), (8, 977930), (10, 782344), (16, 488965), (19, 411760), (20, 391172), (38, 205880), (40, 195586), (76, 102940), (80, 97793), (95, 82352), (152, 51470), (190, 41176), (304, 25735), (380, 20588), (760, 10294), (1520, 5147)]