64317760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15461}}^1$

素因数の和:15491

約数の個数: 56

約数和(自身を含む): 164948616

約数和(自身を除く): 100630856

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, 15461, 30922, 61844, 77305, 123688, 154610, 200993, 247376, 309220, 401986, 494752, 618440, 803972, 989504, 1004965, 1236880, 1607944, 2009930, 2473760, 3215888, 4019860, 4947520, 6431776, 8039720, 12863552, 16079440, 32158880, 64317760]

約数ペア:

[(1, 64317760), (2, 32158880), (4, 16079440), (5, 12863552), (8, 8039720), (10, 6431776), (13, 4947520), (16, 4019860), (20, 3215888), (26, 2473760), (32, 2009930), (40, 1607944), (52, 1236880), (64, 1004965), (65, 989504), (80, 803972), (104, 618440), (130, 494752), (160, 401986), (208, 309220), (260, 247376), (320, 200993), (416, 154610), (520, 123688), (832, 77305), (1040, 61844), (2080, 30922), (4160, 15461)]