82090480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 199987200

約数和(自身を除く): 117896720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 419, 496, 620, 632, 790, 838, 1240, 1264, 1580, 1676, 2095, 2449, 2480, 3160, 3352, 4190, 4898, 6320, 6704, 8380, 9796, 12245, 12989, 16760, 19592, 24490, 25978, 33101, 33520, 39184, 48980, 51956, 64945, 66202, 97960, 103912, 129890, 132404, 165505, 195920, 207824, 259780, 264808, 331010, 519560, 529616, 662020, 1026131, 1039120, 1324040, 2052262, 2648080, 4104524, 5130655, 8209048, 10261310, 16418096, 20522620, 41045240, 82090480]

約数ペア:

[(1, 82090480), (2, 41045240), (4, 20522620), (5, 16418096), (8, 10261310), (10, 8209048), (16, 5130655), (20, 4104524), (31, 2648080), (40, 2052262), (62, 1324040), (79, 1039120), (80, 1026131), (124, 662020), (155, 529616), (158, 519560), (248, 331010), (310, 264808), (316, 259780), (395, 207824), (419, 195920), (496, 165505), (620, 132404), (632, 129890), (790, 103912), (838, 97960), (1240, 66202), (1264, 64945), (1580, 51956), (1676, 48980), (2095, 39184), (2449, 33520), (2480, 33101), (3160, 25978), (3352, 24490), (4190, 19592), (4898, 16760), (6320, 12989), (6704, 12245), (8380, 9796)]