12586926460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{164449}}^1$

素因数の和:164590

約数の個数: 48

約数和(自身を含む): 27351324000

約数和(自身を除く): 14764397540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 890, 1780, 3827, 7654, 15308, 19135, 38270, 76540, 164449, 328898, 657796, 822245, 1644490, 3288980, 7071307, 14142614, 14635961, 28285228, 29271922, 35356535, 58543844, 70713070, 73179805, 141426140, 146359610, 292719220, 629346323, 1258692646, 2517385292, 3146731615, 6293463230, 12586926460]

約数ペア:

[(1, 12586926460), (2, 6293463230), (4, 3146731615), (5, 2517385292), (10, 1258692646), (20, 629346323), (43, 292719220), (86, 146359610), (89, 141426140), (172, 73179805), (178, 70713070), (215, 58543844), (356, 35356535), (430, 29271922), (445, 28285228), (860, 14635961), (890, 14142614), (1780, 7071307), (3827, 3288980), (7654, 1644490), (15308, 822245), (19135, 657796), (38270, 328898), (76540, 164449)]