80198860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1151

約数の個数: 96

約数和(自身を含む): 210567168

約数和(自身を除く): 130368308

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 62, 68, 70, 85, 119, 124, 140, 155, 170, 217, 238, 310, 340, 434, 476, 527, 595, 620, 868, 1054, 1085, 1087, 1190, 2108, 2170, 2174, 2380, 2635, 3689, 4340, 4348, 5270, 5435, 7378, 7609, 10540, 10870, 14756, 15218, 18445, 18479, 21740, 30436, 33697, 36890, 36958, 38045, 67394, 73780, 73916, 76090, 92395, 129353, 134788, 152180, 168485, 184790, 235879, 258706, 336970, 369580, 471758, 517412, 572849, 646765, 673940, 943516, 1145698, 1179395, 1293530, 2291396, 2358790, 2587060, 2864245, 4009943, 4717580, 5728490, 8019886, 11456980, 16039772, 20049715, 40099430, 80198860]

約数ペア:

[(1, 80198860), (2, 40099430), (4, 20049715), (5, 16039772), (7, 11456980), (10, 8019886), (14, 5728490), (17, 4717580), (20, 4009943), (28, 2864245), (31, 2587060), (34, 2358790), (35, 2291396), (62, 1293530), (68, 1179395), (70, 1145698), (85, 943516), (119, 673940), (124, 646765), (140, 572849), (155, 517412), (170, 471758), (217, 369580), (238, 336970), (310, 258706), (340, 235879), (434, 184790), (476, 168485), (527, 152180), (595, 134788), (620, 129353), (868, 92395), (1054, 76090), (1085, 73916), (1087, 73780), (1190, 67394), (2108, 38045), (2170, 36958), (2174, 36890), (2380, 33697), (2635, 30436), (3689, 21740), (4340, 18479), (4348, 18445), (5270, 15218), (5435, 14756), (7378, 10870), (7609, 10540)]