31316000

素因数分解:

$2^5\times 5^3\times {\mathrm{7829}}^1$

素因数の和:7854

約数の個数: 48

約数和(自身を含む): 76953240

約数和(自身を除く): 45637240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 7829, 15658, 31316, 39145, 62632, 78290, 125264, 156580, 195725, 250528, 313160, 391450, 626320, 782900, 978625, 1252640, 1565800, 1957250, 3131600, 3914500, 6263200, 7829000, 15658000, 31316000]

約数ペア:

[(1, 31316000), (2, 15658000), (4, 7829000), (5, 6263200), (8, 3914500), (10, 3131600), (16, 1957250), (20, 1565800), (25, 1252640), (32, 978625), (40, 782900), (50, 626320), (80, 391450), (100, 313160), (125, 250528), (160, 195725), (200, 156580), (250, 125264), (400, 78290), (500, 62632), (800, 39145), (1000, 31316), (2000, 15658), (4000, 7829)]