13907920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 35747712

約数和(自身を除く): 21839792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 311, 344, 430, 520, 559, 622, 688, 860, 1040, 1118, 1244, 1555, 1720, 2236, 2488, 2795, 3110, 3440, 4043, 4472, 4976, 5590, 6220, 8086, 8944, 11180, 12440, 13373, 16172, 20215, 22360, 24880, 26746, 32344, 40430, 44720, 53492, 64688, 66865, 80860, 106984, 133730, 161720, 173849, 213968, 267460, 323440, 347698, 534920, 695396, 869245, 1069840, 1390792, 1738490, 2781584, 3476980, 6953960, 13907920]

約数ペア:

[(1, 13907920), (2, 6953960), (4, 3476980), (5, 2781584), (8, 1738490), (10, 1390792), (13, 1069840), (16, 869245), (20, 695396), (26, 534920), (40, 347698), (43, 323440), (52, 267460), (65, 213968), (80, 173849), (86, 161720), (104, 133730), (130, 106984), (172, 80860), (208, 66865), (215, 64688), (260, 53492), (311, 44720), (344, 40430), (430, 32344), (520, 26746), (559, 24880), (622, 22360), (688, 20215), (860, 16172), (1040, 13373), (1118, 12440), (1244, 11180), (1555, 8944), (1720, 8086), (2236, 6220), (2488, 5590), (2795, 4976), (3110, 4472), (3440, 4043)]