81586561925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{2647}}^1$

素因数の和:3051

約数の個数: 96

約数和(自身を含む): 123407815680

約数和(自身を除く): 41821253755

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 187, 209, 275, 323, 347, 425, 475, 935, 1045, 1615, 1735, 2647, 3553, 3817, 4675, 5225, 5899, 6593, 8075, 8675, 13235, 17765, 19085, 29117, 29495, 32965, 44999, 50293, 64889, 66175, 72523, 88825, 95425, 112081, 145585, 147475, 164825, 224995, 251465, 324445, 362615, 494989, 553223, 560405, 727925, 854981, 918509, 1124975, 1232891, 1257325, 1622225, 1813075, 2474945, 2766115, 2802025, 4274905, 4592545, 6164455, 9404791, 10103599, 12374725, 13830575, 15614653, 17451671, 21374525, 22962725, 30822275, 47023955, 50517995, 78073265, 87258355, 171761183, 191968381, 235119775, 252589975, 296678407, 390366325, 436291775, 858805915, 959841905, 1483392035, 3263462477, 4294029575, 4799209525, 7416960175, 16317312385, 81586561925]

約数ペア:

[(1, 81586561925), (5, 16317312385), (11, 7416960175), (17, 4799209525), (19, 4294029575), (25, 3263462477), (55, 1483392035), (85, 959841905), (95, 858805915), (187, 436291775), (209, 390366325), (275, 296678407), (323, 252589975), (347, 235119775), (425, 191968381), (475, 171761183), (935, 87258355), (1045, 78073265), (1615, 50517995), (1735, 47023955), (2647, 30822275), (3553, 22962725), (3817, 21374525), (4675, 17451671), (5225, 15614653), (5899, 13830575), (6593, 12374725), (8075, 10103599), (8675, 9404791), (13235, 6164455), (17765, 4592545), (19085, 4274905), (29117, 2802025), (29495, 2766115), (32965, 2474945), (44999, 1813075), (50293, 1622225), (64889, 1257325), (66175, 1232891), (72523, 1124975), (88825, 918509), (95425, 854981), (112081, 727925), (145585, 560405), (147475, 553223), (164825, 494989), (224995, 362615), (251465, 324445)]