7913305720

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1\times {\mathrm{2609}}^1$

素因数の和:3208

約数の個数: 64

約数和(自身を含む): 17950118400

約数和(自身を除く): 10036812680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 397, 764, 794, 955, 1528, 1588, 1910, 1985, 2609, 3176, 3820, 3970, 5218, 7640, 7940, 10436, 13045, 15880, 20872, 26090, 52180, 75827, 104360, 151654, 303308, 379135, 498319, 606616, 758270, 996638, 1035773, 1516540, 1993276, 2071546, 2491595, 3033080, 3986552, 4143092, 4983190, 5178865, 8286184, 9966380, 10357730, 19932760, 20715460, 41430920, 197832643, 395665286, 791330572, 989163215, 1582661144, 1978326430, 3956652860, 7913305720]

約数ペア:

[(1, 7913305720), (2, 3956652860), (4, 1978326430), (5, 1582661144), (8, 989163215), (10, 791330572), (20, 395665286), (40, 197832643), (191, 41430920), (382, 20715460), (397, 19932760), (764, 10357730), (794, 9966380), (955, 8286184), (1528, 5178865), (1588, 4983190), (1910, 4143092), (1985, 3986552), (2609, 3033080), (3176, 2491595), (3820, 2071546), (3970, 1993276), (5218, 1516540), (7640, 1035773), (7940, 996638), (10436, 758270), (13045, 606616), (15880, 498319), (20872, 379135), (26090, 303308), (52180, 151654), (75827, 104360)]