25743440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:876

約数の個数: 80

約数和(自身を含む): 66210048

約数和(自身を除く): 40466608

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 823, 920, 1360, 1564, 1646, 1840, 1955, 3128, 3292, 3910, 4115, 6256, 6584, 7820, 8230, 13168, 13991, 15640, 16460, 18929, 27982, 31280, 32920, 37858, 55964, 65840, 69955, 75716, 94645, 111928, 139910, 151432, 189290, 223856, 279820, 302864, 321793, 378580, 559640, 643586, 757160, 1119280, 1287172, 1514320, 1608965, 2574344, 3217930, 5148688, 6435860, 12871720, 25743440]

約数ペア:

[(1, 25743440), (2, 12871720), (4, 6435860), (5, 5148688), (8, 3217930), (10, 2574344), (16, 1608965), (17, 1514320), (20, 1287172), (23, 1119280), (34, 757160), (40, 643586), (46, 559640), (68, 378580), (80, 321793), (85, 302864), (92, 279820), (115, 223856), (136, 189290), (170, 151432), (184, 139910), (230, 111928), (272, 94645), (340, 75716), (368, 69955), (391, 65840), (460, 55964), (680, 37858), (782, 32920), (823, 31280), (920, 27982), (1360, 18929), (1564, 16460), (1646, 15640), (1840, 13991), (1955, 13168), (3128, 8230), (3292, 7820), (3910, 6584), (4115, 6256)]