25551890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 58012416

約数和(自身を除く): 32460526

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 430, 455, 559, 602, 653, 910, 1118, 1306, 1505, 2795, 3010, 3265, 3913, 4571, 5590, 6530, 7826, 8489, 9142, 16978, 19565, 22855, 28079, 39130, 42445, 45710, 56158, 59423, 84890, 118846, 140395, 196553, 280790, 297115, 365027, 393106, 594230, 730054, 982765, 1825135, 1965530, 2555189, 3650270, 5110378, 12775945, 25551890]

約数ペア:

[(1, 25551890), (2, 12775945), (5, 5110378), (7, 3650270), (10, 2555189), (13, 1965530), (14, 1825135), (26, 982765), (35, 730054), (43, 594230), (65, 393106), (70, 365027), (86, 297115), (91, 280790), (130, 196553), (182, 140395), (215, 118846), (301, 84890), (430, 59423), (455, 56158), (559, 45710), (602, 42445), (653, 39130), (910, 28079), (1118, 22855), (1306, 19565), (1505, 16978), (2795, 9142), (3010, 8489), (3265, 7826), (3913, 6530), (4571, 5590)]