20081570560

素因数分解:

$2^8\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{15217}}^1$

素因数の和:16269

約数の個数: 72

約数和(自身を含む): 48151456416

約数和(自身を除く): 28069885856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1031, 1280, 2062, 4124, 5155, 8248, 10310, 15217, 16496, 20620, 30434, 32992, 41240, 60868, 65984, 76085, 82480, 121736, 131968, 152170, 164960, 243472, 263936, 304340, 329920, 486944, 608680, 659840, 973888, 1217360, 1319680, 1947776, 2434720, 3895552, 4869440, 9738880, 15688727, 19477760, 31377454, 62754908, 78443635, 125509816, 156887270, 251019632, 313774540, 502039264, 627549080, 1004078528, 1255098160, 2008157056, 2510196320, 4016314112, 5020392640, 10040785280, 20081570560]

約数ペア:

[(1, 20081570560), (2, 10040785280), (4, 5020392640), (5, 4016314112), (8, 2510196320), (10, 2008157056), (16, 1255098160), (20, 1004078528), (32, 627549080), (40, 502039264), (64, 313774540), (80, 251019632), (128, 156887270), (160, 125509816), (256, 78443635), (320, 62754908), (640, 31377454), (1031, 19477760), (1280, 15688727), (2062, 9738880), (4124, 4869440), (5155, 3895552), (8248, 2434720), (10310, 1947776), (15217, 1319680), (16496, 1217360), (20620, 973888), (30434, 659840), (32992, 608680), (41240, 486944), (60868, 329920), (65984, 304340), (76085, 263936), (82480, 243472), (121736, 164960), (131968, 152170)]