25113725

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 41559840

約数和(自身を除く): 16446115

約数列:

[1, 5, 7, 13, 19, 25, 35, 49, 65, 83, 91, 95, 133, 175, 245, 247, 325, 415, 455, 475, 581, 637, 665, 931, 1079, 1225, 1235, 1577, 1729, 2075, 2275, 2905, 3185, 3325, 4067, 4655, 5395, 6175, 7553, 7885, 8645, 11039, 12103, 14525, 15925, 20335, 20501, 23275, 26975, 37765, 39425, 43225, 52871, 55195, 60515, 77273, 101675, 102505, 143507, 188825, 264355, 275975, 302575, 386365, 512525, 717535, 1004549, 1321775, 1931825, 3587675, 5022745, 25113725]

約数ペア:

[(1, 25113725), (5, 5022745), (7, 3587675), (13, 1931825), (19, 1321775), (25, 1004549), (35, 717535), (49, 512525), (65, 386365), (83, 302575), (91, 275975), (95, 264355), (133, 188825), (175, 143507), (245, 102505), (247, 101675), (325, 77273), (415, 60515), (455, 55195), (475, 52871), (581, 43225), (637, 39425), (665, 37765), (931, 26975), (1079, 23275), (1225, 20501), (1235, 20335), (1577, 15925), (1729, 14525), (2075, 12103), (2275, 11039), (2905, 8645), (3185, 7885), (3325, 7553), (4067, 6175), (4655, 5395)]