25209180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3257}}^1$

素因数の和:3315

約数の個数: 72

約数和(自身を含む): 78270192

約数和(自身を除く): 53061012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3257, 3870, 6514, 7740, 9771, 13028, 16285, 19542, 29313, 32570, 39084, 48855, 58626, 65140, 97710, 117252, 140051, 146565, 195420, 280102, 293130, 420153, 560204, 586260, 700255, 840306, 1260459, 1400510, 1680612, 2100765, 2520918, 2801020, 4201530, 5041836, 6302295, 8403060, 12604590, 25209180]

約数ペア:

[(1, 25209180), (2, 12604590), (3, 8403060), (4, 6302295), (5, 5041836), (6, 4201530), (9, 2801020), (10, 2520918), (12, 2100765), (15, 1680612), (18, 1400510), (20, 1260459), (30, 840306), (36, 700255), (43, 586260), (45, 560204), (60, 420153), (86, 293130), (90, 280102), (129, 195420), (172, 146565), (180, 140051), (215, 117252), (258, 97710), (387, 65140), (430, 58626), (516, 48855), (645, 39084), (774, 32570), (860, 29313), (1290, 19542), (1548, 16285), (1935, 13028), (2580, 9771), (3257, 7740), (3870, 6514)]