80073760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:446

約数の個数: 96

約数和(自身を含む): 205943472

約数和(自身を除く): 125869712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 137, 160, 208, 260, 274, 281, 416, 520, 548, 562, 685, 1040, 1096, 1124, 1370, 1405, 1781, 2080, 2192, 2248, 2740, 2810, 3562, 3653, 4384, 4496, 5480, 5620, 7124, 7306, 8905, 8992, 10960, 11240, 14248, 14612, 17810, 18265, 21920, 22480, 28496, 29224, 35620, 36530, 38497, 44960, 56992, 58448, 71240, 73060, 76994, 116896, 142480, 146120, 153988, 192485, 284960, 292240, 307976, 384970, 500461, 584480, 615952, 769940, 1000922, 1231904, 1539880, 2001844, 2502305, 3079760, 4003688, 5004610, 6159520, 8007376, 10009220, 16014752, 20018440, 40036880, 80073760]

約数ペア:

[(1, 80073760), (2, 40036880), (4, 20018440), (5, 16014752), (8, 10009220), (10, 8007376), (13, 6159520), (16, 5004610), (20, 4003688), (26, 3079760), (32, 2502305), (40, 2001844), (52, 1539880), (65, 1231904), (80, 1000922), (104, 769940), (130, 615952), (137, 584480), (160, 500461), (208, 384970), (260, 307976), (274, 292240), (281, 284960), (416, 192485), (520, 153988), (548, 146120), (562, 142480), (685, 116896), (1040, 76994), (1096, 73060), (1124, 71240), (1370, 58448), (1405, 56992), (1781, 44960), (2080, 38497), (2192, 36530), (2248, 35620), (2740, 29224), (2810, 28496), (3562, 22480), (3653, 21920), (4384, 18265), (4496, 17810), (5480, 14612), (5620, 14248), (7124, 11240), (7306, 10960), (8905, 8992)]