8515780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4679}}^1$

素因数の和:4708

約数の個数: 48

約数和(自身を含む): 22014720

約数和(自身を除く): 13498940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4679, 9358, 18716, 23395, 32753, 46790, 60827, 65506, 93580, 121654, 131012, 163765, 243308, 304135, 327530, 425789, 608270, 655060, 851578, 1216540, 1703156, 2128945, 4257890, 8515780]

約数ペア:

[(1, 8515780), (2, 4257890), (4, 2128945), (5, 1703156), (7, 1216540), (10, 851578), (13, 655060), (14, 608270), (20, 425789), (26, 327530), (28, 304135), (35, 243308), (52, 163765), (65, 131012), (70, 121654), (91, 93580), (130, 65506), (140, 60827), (182, 46790), (260, 32753), (364, 23395), (455, 18716), (910, 9358), (1820, 4679)]