13173580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1289}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 32074560

約数和(自身を除く): 18900980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1289, 1460, 2044, 2555, 2578, 5110, 5156, 6445, 9023, 10220, 12890, 18046, 25780, 36092, 45115, 90230, 94097, 180460, 188194, 376388, 470485, 658679, 940970, 1317358, 1881940, 2634716, 3293395, 6586790, 13173580]

約数ペア:

[(1, 13173580), (2, 6586790), (4, 3293395), (5, 2634716), (7, 1881940), (10, 1317358), (14, 940970), (20, 658679), (28, 470485), (35, 376388), (70, 188194), (73, 180460), (140, 94097), (146, 90230), (292, 45115), (365, 36092), (511, 25780), (730, 18046), (1022, 12890), (1289, 10220), (1460, 9023), (2044, 6445), (2555, 5156), (2578, 5110)]