20134476080

素因数分解:

$2^4\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{129001}}^1$

素因数の和:130965

約数の個数: 40

約数和(自身を含む): 46837014144

約数和(自身を除く): 26702538064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1951, 3902, 7804, 9755, 15608, 19510, 31216, 39020, 78040, 129001, 156080, 258002, 516004, 645005, 1032008, 1290010, 2064016, 2580020, 5160040, 10320080, 251680951, 503361902, 1006723804, 1258404755, 2013447608, 2516809510, 4026895216, 5033619020, 10067238040, 20134476080]

約数ペア:

[(1, 20134476080), (2, 10067238040), (4, 5033619020), (5, 4026895216), (8, 2516809510), (10, 2013447608), (16, 1258404755), (20, 1006723804), (40, 503361902), (80, 251680951), (1951, 10320080), (3902, 5160040), (7804, 2580020), (9755, 2064016), (15608, 1290010), (19510, 1032008), (31216, 645005), (39020, 516004), (78040, 258002), (129001, 156080)]