131260720

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{5839}}^1$

素因数の和:6133

約数の個数: 40

約数和(自身を含む): 306319680

約数和(自身を除く): 175058960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 4496, 5620, 5839, 11240, 11678, 22480, 23356, 29195, 46712, 58390, 93424, 116780, 233560, 467120, 1640759, 3281518, 6563036, 8203795, 13126072, 16407590, 26252144, 32815180, 65630360, 131260720]

約数ペア:

[(1, 131260720), (2, 65630360), (4, 32815180), (5, 26252144), (8, 16407590), (10, 13126072), (16, 8203795), (20, 6563036), (40, 3281518), (80, 1640759), (281, 467120), (562, 233560), (1124, 116780), (1405, 93424), (2248, 58390), (2810, 46712), (4496, 29195), (5620, 23356), (5839, 22480), (11240, 11678)]