31405280

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{593}}^1$

素因数の和:939

約数の個数: 48

約数和(自身を含む): 74544624

約数和(自身を除く): 43139344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 593, 662, 1186, 1324, 1655, 2372, 2648, 2965, 3310, 4744, 5296, 5930, 6620, 9488, 10592, 11860, 13240, 18976, 23720, 26480, 47440, 52960, 94880, 196283, 392566, 785132, 981415, 1570264, 1962830, 3140528, 3925660, 6281056, 7851320, 15702640, 31405280]

約数ペア:

[(1, 31405280), (2, 15702640), (4, 7851320), (5, 6281056), (8, 3925660), (10, 3140528), (16, 1962830), (20, 1570264), (32, 981415), (40, 785132), (80, 392566), (160, 196283), (331, 94880), (593, 52960), (662, 47440), (1186, 26480), (1324, 23720), (1655, 18976), (2372, 13240), (2648, 11860), (2965, 10592), (3310, 9488), (4744, 6620), (5296, 5930)]