53145040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 134397648

約数和(自身を除く): 81252608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 373, 520, 548, 685, 746, 1040, 1096, 1370, 1492, 1781, 1865, 2192, 2740, 2984, 3562, 3730, 4849, 5480, 5968, 7124, 7460, 8905, 9698, 10960, 14248, 14920, 17810, 19396, 24245, 28496, 29840, 35620, 38792, 48490, 51101, 71240, 77584, 96980, 102202, 142480, 193960, 204404, 255505, 387920, 408808, 511010, 664313, 817616, 1022020, 1328626, 2044040, 2657252, 3321565, 4088080, 5314504, 6643130, 10629008, 13286260, 26572520, 53145040]

約数ペア:

[(1, 53145040), (2, 26572520), (4, 13286260), (5, 10629008), (8, 6643130), (10, 5314504), (13, 4088080), (16, 3321565), (20, 2657252), (26, 2044040), (40, 1328626), (52, 1022020), (65, 817616), (80, 664313), (104, 511010), (130, 408808), (137, 387920), (208, 255505), (260, 204404), (274, 193960), (373, 142480), (520, 102202), (548, 96980), (685, 77584), (746, 71240), (1040, 51101), (1096, 48490), (1370, 38792), (1492, 35620), (1781, 29840), (1865, 28496), (2192, 24245), (2740, 19396), (2984, 17810), (3562, 14920), (3730, 14248), (4849, 10960), (5480, 9698), (5968, 8905), (7124, 7460)]