13195520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:108

約数の個数: 108

約数和(自身を含む): 34786836

約数和(自身を除く): 21591316

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 128, 130, 160, 169, 208, 244, 256, 260, 305, 320, 338, 416, 488, 520, 610, 640, 676, 793, 832, 845, 976, 1040, 1220, 1280, 1352, 1586, 1664, 1690, 1952, 2080, 2440, 2704, 3172, 3328, 3380, 3904, 3965, 4160, 4880, 5408, 6344, 6760, 7808, 7930, 8320, 9760, 10309, 10816, 12688, 13520, 15616, 15860, 16640, 19520, 20618, 21632, 25376, 27040, 31720, 39040, 41236, 43264, 50752, 51545, 54080, 63440, 78080, 82472, 101504, 103090, 108160, 126880, 164944, 203008, 206180, 216320, 253760, 329888, 412360, 507520, 659776, 824720, 1015040, 1319552, 1649440, 2639104, 3298880, 6597760, 13195520]

約数ペア:

[(1, 13195520), (2, 6597760), (4, 3298880), (5, 2639104), (8, 1649440), (10, 1319552), (13, 1015040), (16, 824720), (20, 659776), (26, 507520), (32, 412360), (40, 329888), (52, 253760), (61, 216320), (64, 206180), (65, 203008), (80, 164944), (104, 126880), (122, 108160), (128, 103090), (130, 101504), (160, 82472), (169, 78080), (208, 63440), (244, 54080), (256, 51545), (260, 50752), (305, 43264), (320, 41236), (338, 39040), (416, 31720), (488, 27040), (520, 25376), (610, 21632), (640, 20618), (676, 19520), (793, 16640), (832, 15860), (845, 15616), (976, 13520), (1040, 12688), (1220, 10816), (1280, 10309), (1352, 9760), (1586, 8320), (1664, 7930), (1690, 7808), (1952, 6760), (2080, 6344), (2440, 5408), (2704, 4880), (3172, 4160), (3328, 3965), (3380, 3904)]