25926160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 65839536

約数和(自身を除く): 39913376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 257, 260, 388, 485, 514, 520, 776, 970, 1028, 1040, 1261, 1285, 1552, 1940, 2056, 2522, 2570, 3341, 3880, 4112, 5044, 5140, 6305, 6682, 7760, 10088, 10280, 12610, 13364, 16705, 20176, 20560, 24929, 25220, 26728, 33410, 49858, 50440, 53456, 66820, 99716, 100880, 124645, 133640, 199432, 249290, 267280, 324077, 398864, 498580, 648154, 997160, 1296308, 1620385, 1994320, 2592616, 3240770, 5185232, 6481540, 12963080, 25926160]

約数ペア:

[(1, 25926160), (2, 12963080), (4, 6481540), (5, 5185232), (8, 3240770), (10, 2592616), (13, 1994320), (16, 1620385), (20, 1296308), (26, 997160), (40, 648154), (52, 498580), (65, 398864), (80, 324077), (97, 267280), (104, 249290), (130, 199432), (194, 133640), (208, 124645), (257, 100880), (260, 99716), (388, 66820), (485, 53456), (514, 50440), (520, 49858), (776, 33410), (970, 26728), (1028, 25220), (1040, 24929), (1261, 20560), (1285, 20176), (1552, 16705), (1940, 13364), (2056, 12610), (2522, 10280), (2570, 10088), (3341, 7760), (3880, 6682), (4112, 6305), (5044, 5140)]