80974790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 164892672

約数和(自身を除く): 83917882

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 71, 130, 142, 155, 283, 310, 355, 403, 566, 710, 806, 923, 1415, 1846, 2015, 2201, 2830, 3679, 4030, 4402, 4615, 7358, 8773, 9230, 11005, 17546, 18395, 20093, 22010, 28613, 36790, 40186, 43865, 57226, 87730, 100465, 114049, 143065, 200930, 228098, 261209, 286130, 522418, 570245, 622883, 1140490, 1245766, 1306045, 2612090, 3114415, 6228830, 8097479, 16194958, 40487395, 80974790]

約数ペア:

[(1, 80974790), (2, 40487395), (5, 16194958), (10, 8097479), (13, 6228830), (26, 3114415), (31, 2612090), (62, 1306045), (65, 1245766), (71, 1140490), (130, 622883), (142, 570245), (155, 522418), (283, 286130), (310, 261209), (355, 228098), (403, 200930), (566, 143065), (710, 114049), (806, 100465), (923, 87730), (1415, 57226), (1846, 43865), (2015, 40186), (2201, 36790), (2830, 28613), (3679, 22010), (4030, 20093), (4402, 18395), (4615, 17546), (7358, 11005), (8773, 9230)]