25340315

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 41997312

約数和(自身を除く): 16656997

約数列:

[1, 5, 7, 11, 13, 35, 55, 61, 65, 77, 83, 91, 143, 305, 385, 415, 427, 455, 581, 671, 715, 793, 913, 1001, 1079, 2135, 2905, 3355, 3965, 4565, 4697, 5005, 5063, 5395, 5551, 6391, 7553, 8723, 11869, 23485, 25315, 27755, 31955, 35441, 37765, 43615, 55693, 59345, 61061, 65819, 83083, 177205, 278465, 305305, 329095, 389851, 415415, 460733, 724009, 1949255, 2303665, 3620045, 5068063, 25340315]

約数ペア:

[(1, 25340315), (5, 5068063), (7, 3620045), (11, 2303665), (13, 1949255), (35, 724009), (55, 460733), (61, 415415), (65, 389851), (77, 329095), (83, 305305), (91, 278465), (143, 177205), (305, 83083), (385, 65819), (415, 61061), (427, 59345), (455, 55693), (581, 43615), (671, 37765), (715, 35441), (793, 31955), (913, 27755), (1001, 25315), (1079, 23485), (2135, 11869), (2905, 8723), (3355, 7553), (3965, 6391), (4565, 5551), (4697, 5395), (5005, 5063)]