25545455425

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{17107}}^1$

素因数の和:17207

約数の個数: 72

約数和(自身を含む): 39177867456

約数和(自身を除く): 13632412031

約数列:

[1, 5, 7, 23, 25, 35, 49, 53, 115, 161, 175, 245, 265, 371, 575, 805, 1127, 1219, 1225, 1325, 1855, 2597, 4025, 5635, 6095, 8533, 9275, 12985, 17107, 28175, 30475, 42665, 59731, 64925, 85535, 119749, 213325, 298655, 393461, 427675, 598745, 838243, 906671, 1493275, 1967305, 2754227, 2993725, 4191215, 4533355, 6346697, 9836525, 13771135, 19279589, 20853433, 20956075, 22666775, 31733485, 44426879, 68855675, 96397945, 104267165, 145974031, 158667425, 222134395, 481989725, 521335825, 729870155, 1021818217, 1110671975, 3649350775, 5109091085, 25545455425]

約数ペア:

[(1, 25545455425), (5, 5109091085), (7, 3649350775), (23, 1110671975), (25, 1021818217), (35, 729870155), (49, 521335825), (53, 481989725), (115, 222134395), (161, 158667425), (175, 145974031), (245, 104267165), (265, 96397945), (371, 68855675), (575, 44426879), (805, 31733485), (1127, 22666775), (1219, 20956075), (1225, 20853433), (1325, 19279589), (1855, 13771135), (2597, 9836525), (4025, 6346697), (5635, 4533355), (6095, 4191215), (8533, 2993725), (9275, 2754227), (12985, 1967305), (17107, 1493275), (28175, 906671), (30475, 838243), (42665, 598745), (59731, 427675), (64925, 393461), (85535, 298655), (119749, 213325)]