25027940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^2$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 63887040

約数和(自身を除く): 38859100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 97, 133, 140, 190, 194, 266, 380, 388, 485, 532, 665, 679, 970, 1330, 1358, 1843, 1940, 2660, 2716, 3395, 3686, 6790, 7372, 9215, 9409, 12901, 13580, 18430, 18818, 25802, 36860, 37636, 47045, 51604, 64505, 65863, 94090, 129010, 131726, 178771, 188180, 258020, 263452, 329315, 357542, 658630, 715084, 893855, 1251397, 1317260, 1787710, 2502794, 3575420, 5005588, 6256985, 12513970, 25027940]

約数ペア:

[(1, 25027940), (2, 12513970), (4, 6256985), (5, 5005588), (7, 3575420), (10, 2502794), (14, 1787710), (19, 1317260), (20, 1251397), (28, 893855), (35, 715084), (38, 658630), (70, 357542), (76, 329315), (95, 263452), (97, 258020), (133, 188180), (140, 178771), (190, 131726), (194, 129010), (266, 94090), (380, 65863), (388, 64505), (485, 51604), (532, 47045), (665, 37636), (679, 36860), (970, 25802), (1330, 18818), (1358, 18430), (1843, 13580), (1940, 12901), (2660, 9409), (2716, 9215), (3395, 7372), (3686, 6790)]