25904320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{479}}^1$

素因数の和:522

約数の個数: 84

約数和(自身を含む): 66934080

約数和(自身を除く): 41029760

約数列:

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

約数ペア:

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