15436240

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1229}}^1$

素因数の和:1399

約数の個数: 40

約数和(自身を含む): 36147240

約数和(自身を除く): 20711000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1229, 1256, 1570, 2458, 2512, 3140, 4916, 6145, 6280, 9832, 12290, 12560, 19664, 24580, 49160, 98320, 192953, 385906, 771812, 964765, 1543624, 1929530, 3087248, 3859060, 7718120, 15436240]

約数ペア:

[(1, 15436240), (2, 7718120), (4, 3859060), (5, 3087248), (8, 1929530), (10, 1543624), (16, 964765), (20, 771812), (40, 385906), (80, 192953), (157, 98320), (314, 49160), (628, 24580), (785, 19664), (1229, 12560), (1256, 12290), (1570, 9832), (2458, 6280), (2512, 6145), (3140, 4916)]