28104400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4133}}^1$

素因数の和:4168

約数の個数: 60

約数和(自身を含む): 71509932

約数和(自身を除く): 43405532

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 4133, 6800, 8266, 16532, 20665, 33064, 41330, 66128, 70261, 82660, 103325, 140522, 165320, 206650, 281044, 330640, 351305, 413300, 562088, 702610, 826600, 1124176, 1405220, 1653200, 1756525, 2810440, 3513050, 5620880, 7026100, 14052200, 28104400]

約数ペア:

[(1, 28104400), (2, 14052200), (4, 7026100), (5, 5620880), (8, 3513050), (10, 2810440), (16, 1756525), (17, 1653200), (20, 1405220), (25, 1124176), (34, 826600), (40, 702610), (50, 562088), (68, 413300), (80, 351305), (85, 330640), (100, 281044), (136, 206650), (170, 165320), (200, 140522), (272, 103325), (340, 82660), (400, 70261), (425, 66128), (680, 41330), (850, 33064), (1360, 20665), (1700, 16532), (3400, 8266), (4133, 6800)]