40036880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 101337264

約数和(自身を除く): 61300384

約数列:

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

約数ペア:

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