64450880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15493}}^1$

素因数の和:15523

約数の個数: 56

約数和(自身を含む): 165289992

約数和(自身を除く): 100839112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 15493, 30986, 61972, 77465, 123944, 154930, 201409, 247888, 309860, 402818, 495776, 619720, 805636, 991552, 1007045, 1239440, 1611272, 2014090, 2478880, 3222544, 4028180, 4957760, 6445088, 8056360, 12890176, 16112720, 32225440, 64450880]

約数ペア:

[(1, 64450880), (2, 32225440), (4, 16112720), (5, 12890176), (8, 8056360), (10, 6445088), (13, 4957760), (16, 4028180), (20, 3222544), (26, 2478880), (32, 2014090), (40, 1611272), (52, 1239440), (64, 1007045), (65, 991552), (80, 805636), (104, 619720), (130, 495776), (160, 402818), (208, 309860), (260, 247888), (320, 201409), (416, 154930), (520, 123944), (832, 77465), (1040, 61972), (2080, 30986), (4160, 15493)]