202071640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1523}}^1$

素因数の和:1672

約数の個数: 64

約数和(自身を含む): 474024960

約数和(自身を除く): 271953320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 214, 248, 310, 428, 535, 620, 856, 1070, 1240, 1523, 2140, 3046, 3317, 4280, 6092, 6634, 7615, 12184, 13268, 15230, 16585, 26536, 30460, 33170, 47213, 60920, 66340, 94426, 132680, 162961, 188852, 236065, 325922, 377704, 472130, 651844, 814805, 944260, 1303688, 1629610, 1888520, 3259220, 5051791, 6518440, 10103582, 20207164, 25258955, 40414328, 50517910, 101035820, 202071640]

約数ペア:

[(1, 202071640), (2, 101035820), (4, 50517910), (5, 40414328), (8, 25258955), (10, 20207164), (20, 10103582), (31, 6518440), (40, 5051791), (62, 3259220), (107, 1888520), (124, 1629610), (155, 1303688), (214, 944260), (248, 814805), (310, 651844), (428, 472130), (535, 377704), (620, 325922), (856, 236065), (1070, 188852), (1240, 162961), (1523, 132680), (2140, 94426), (3046, 66340), (3317, 60920), (4280, 47213), (6092, 33170), (6634, 30460), (7615, 26536), (12184, 16585), (13268, 15230)]