28129640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9133}}^1$

素因数の和:9162

約数の個数: 64

約数和(自身を含む): 78917760

約数和(自身を除く): 50788120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9133, 18266, 36532, 45665, 63931, 73064, 91330, 100463, 127862, 182660, 200926, 255724, 319655, 365320, 401852, 502315, 511448, 639310, 703241, 803704, 1004630, 1278620, 1406482, 2009260, 2557240, 2812964, 3516205, 4018520, 5625928, 7032410, 14064820, 28129640]

約数ペア:

[(1, 28129640), (2, 14064820), (4, 7032410), (5, 5625928), (7, 4018520), (8, 3516205), (10, 2812964), (11, 2557240), (14, 2009260), (20, 1406482), (22, 1278620), (28, 1004630), (35, 803704), (40, 703241), (44, 639310), (55, 511448), (56, 502315), (70, 401852), (77, 365320), (88, 319655), (110, 255724), (140, 200926), (154, 182660), (220, 127862), (280, 100463), (308, 91330), (385, 73064), (440, 63931), (616, 45665), (770, 36532), (1540, 18266), (3080, 9133)]