920907520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55343}}^1$

素因数の和:55377

約数の個数: 72

約数和(自身を含む): 2375585856

約数和(自身を除く): 1454678336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 55343, 110686, 221372, 276715, 442744, 553430, 719459, 885488, 1106860, 1438918, 1770976, 2213720, 2877836, 3541952, 3597295, 4427440, 5755672, 7083904, 7194590, 8854880, 11511344, 14167808, 14389180, 17709760, 23022688, 28778360, 35419520, 46045376, 57556720, 70839040, 92090752, 115113440, 184181504, 230226880, 460453760, 920907520]

約数ペア:

[(1, 920907520), (2, 460453760), (4, 230226880), (5, 184181504), (8, 115113440), (10, 92090752), (13, 70839040), (16, 57556720), (20, 46045376), (26, 35419520), (32, 28778360), (40, 23022688), (52, 17709760), (64, 14389180), (65, 14167808), (80, 11511344), (104, 8854880), (128, 7194590), (130, 7083904), (160, 5755672), (208, 4427440), (256, 3597295), (260, 3541952), (320, 2877836), (416, 2213720), (520, 1770976), (640, 1438918), (832, 1106860), (1040, 885488), (1280, 719459), (1664, 553430), (2080, 442744), (3328, 276715), (4160, 221372), (8320, 110686), (16640, 55343)]