66438820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{24977}}^1$

素因数の和:25012

約数の個数: 48

約数和(自身を含む): 167852160

約数和(自身を除く): 101413340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 24977, 49954, 99908, 124885, 174839, 249770, 349678, 474563, 499540, 699356, 874195, 949126, 1748390, 1898252, 2372815, 3321941, 3496780, 4745630, 6643882, 9491260, 13287764, 16609705, 33219410, 66438820]

約数ペア:

[(1, 66438820), (2, 33219410), (4, 16609705), (5, 13287764), (7, 9491260), (10, 6643882), (14, 4745630), (19, 3496780), (20, 3321941), (28, 2372815), (35, 1898252), (38, 1748390), (70, 949126), (76, 874195), (95, 699356), (133, 499540), (140, 474563), (190, 349678), (266, 249770), (380, 174839), (532, 124885), (665, 99908), (1330, 49954), (2660, 24977)]