79878320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1039}}^1$

素因数の和:1114

約数の個数: 60

約数和(自身を含む): 192085920

約数和(自身を除く): 112207600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1039, 1240, 1922, 2078, 2480, 3844, 4156, 4805, 5195, 7688, 8312, 9610, 10390, 15376, 16624, 19220, 20780, 32209, 38440, 41560, 64418, 76880, 83120, 128836, 161045, 257672, 322090, 515344, 644180, 998479, 1288360, 1996958, 2576720, 3993916, 4992395, 7987832, 9984790, 15975664, 19969580, 39939160, 79878320]

約数ペア:

[(1, 79878320), (2, 39939160), (4, 19969580), (5, 15975664), (8, 9984790), (10, 7987832), (16, 4992395), (20, 3993916), (31, 2576720), (40, 1996958), (62, 1288360), (80, 998479), (124, 644180), (155, 515344), (248, 322090), (310, 257672), (496, 161045), (620, 128836), (961, 83120), (1039, 76880), (1240, 64418), (1922, 41560), (2078, 38440), (2480, 32209), (3844, 20780), (4156, 19220), (4805, 16624), (5195, 15376), (7688, 10390), (8312, 9610)]