13480040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1602

約数の個数: 64

約数和(自身を含む): 35804160

約数和(自身を除く): 22324120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1553, 1736, 2170, 3106, 4340, 6212, 7765, 8680, 10871, 12424, 15530, 21742, 31060, 43484, 48143, 54355, 62120, 86968, 96286, 108710, 192572, 217420, 240715, 337001, 385144, 434840, 481430, 674002, 962860, 1348004, 1685005, 1925720, 2696008, 3370010, 6740020, 13480040]

約数ペア:

[(1, 13480040), (2, 6740020), (4, 3370010), (5, 2696008), (7, 1925720), (8, 1685005), (10, 1348004), (14, 962860), (20, 674002), (28, 481430), (31, 434840), (35, 385144), (40, 337001), (56, 240715), (62, 217420), (70, 192572), (124, 108710), (140, 96286), (155, 86968), (217, 62120), (248, 54355), (280, 48143), (310, 43484), (434, 31060), (620, 21742), (868, 15530), (1085, 12424), (1240, 10871), (1553, 8680), (1736, 7765), (2170, 6212), (3106, 4340)]