51808640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{479}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 134395200

約数和(自身を除く): 82586560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 260, 320, 338, 416, 479, 520, 640, 676, 832, 845, 958, 1040, 1352, 1664, 1690, 1916, 2080, 2395, 2704, 3380, 3832, 4160, 4790, 5408, 6227, 6760, 7664, 8320, 9580, 10816, 12454, 13520, 15328, 19160, 21632, 24908, 27040, 30656, 31135, 38320, 49816, 54080, 61312, 62270, 76640, 80951, 99632, 108160, 124540, 153280, 161902, 199264, 249080, 306560, 323804, 398528, 404755, 498160, 647608, 797056, 809510, 996320, 1295216, 1619020, 1992640, 2590432, 3238040, 3985280, 5180864, 6476080, 10361728, 12952160, 25904320, 51808640]

約数ペア:

[(1, 51808640), (2, 25904320), (4, 12952160), (5, 10361728), (8, 6476080), (10, 5180864), (13, 3985280), (16, 3238040), (20, 2590432), (26, 1992640), (32, 1619020), (40, 1295216), (52, 996320), (64, 809510), (65, 797056), (80, 647608), (104, 498160), (128, 404755), (130, 398528), (160, 323804), (169, 306560), (208, 249080), (260, 199264), (320, 161902), (338, 153280), (416, 124540), (479, 108160), (520, 99632), (640, 80951), (676, 76640), (832, 62270), (845, 61312), (958, 54080), (1040, 49816), (1352, 38320), (1664, 31135), (1690, 30656), (1916, 27040), (2080, 24908), (2395, 21632), (2704, 19160), (3380, 15328), (3832, 13520), (4160, 12454), (4790, 10816), (5408, 9580), (6227, 8320), (6760, 7664)]