79678889125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1\times {\mathrm{2131}}^1$

素因数の和:2611

約数の個数: 64

約数和(自身を含む): 110346043392

約数和(自身を除く): 30667154267

約数列:

[1, 5, 11, 25, 55, 71, 125, 275, 355, 383, 781, 1375, 1775, 1915, 2131, 3905, 4213, 8875, 9575, 10655, 19525, 21065, 23441, 27193, 47875, 53275, 97625, 105325, 117205, 135965, 151301, 266375, 299123, 526625, 586025, 679825, 756505, 816173, 1495615, 1664311, 2930125, 3399125, 3782525, 4080865, 7478075, 8321555, 8977903, 18912625, 20404325, 37390375, 41607775, 44889515, 57948283, 102021625, 208038875, 224447575, 289741415, 637431113, 1122237875, 1448707075, 3187155565, 7243535375, 15935777825, 79678889125]

約数ペア:

[(1, 79678889125), (5, 15935777825), (11, 7243535375), (25, 3187155565), (55, 1448707075), (71, 1122237875), (125, 637431113), (275, 289741415), (355, 224447575), (383, 208038875), (781, 102021625), (1375, 57948283), (1775, 44889515), (1915, 41607775), (2131, 37390375), (3905, 20404325), (4213, 18912625), (8875, 8977903), (9575, 8321555), (10655, 7478075), (19525, 4080865), (21065, 3782525), (23441, 3399125), (27193, 2930125), (47875, 1664311), (53275, 1495615), (97625, 816173), (105325, 756505), (117205, 679825), (135965, 586025), (151301, 526625), (266375, 299123)]