827831720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{1831}}^1$

素因数の和:2058

約数の個数: 64

約数和(自身を含む): 1899417600

約数和(自身を除く): 1071585880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 127, 178, 254, 356, 445, 508, 635, 712, 890, 1016, 1270, 1780, 1831, 2540, 3560, 3662, 5080, 7324, 9155, 11303, 14648, 18310, 22606, 36620, 45212, 56515, 73240, 90424, 113030, 162959, 226060, 232537, 325918, 452120, 465074, 651836, 814795, 930148, 1162685, 1303672, 1629590, 1860296, 2325370, 3259180, 4650740, 6518360, 9301480, 20695793, 41391586, 82783172, 103478965, 165566344, 206957930, 413915860, 827831720]

約数ペア:

[(1, 827831720), (2, 413915860), (4, 206957930), (5, 165566344), (8, 103478965), (10, 82783172), (20, 41391586), (40, 20695793), (89, 9301480), (127, 6518360), (178, 4650740), (254, 3259180), (356, 2325370), (445, 1860296), (508, 1629590), (635, 1303672), (712, 1162685), (890, 930148), (1016, 814795), (1270, 651836), (1780, 465074), (1831, 452120), (2540, 325918), (3560, 232537), (3662, 226060), (5080, 162959), (7324, 113030), (9155, 90424), (11303, 73240), (14648, 56515), (18310, 45212), (22606, 36620)]