26001405

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 51110400

約数和(自身を除く): 25108995

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 81, 93, 95, 109, 135, 155, 171, 279, 285, 327, 405, 465, 513, 545, 589, 837, 855, 981, 1395, 1539, 1635, 1767, 2071, 2511, 2565, 2943, 2945, 3379, 4185, 4905, 5301, 6213, 7695, 8829, 8835, 10137, 10355, 12555, 14715, 15903, 16895, 18639, 26505, 30411, 31065, 44145, 47709, 50685, 55917, 64201, 79515, 91233, 93195, 152055, 167751, 192603, 238545, 273699, 279585, 321005, 456165, 577809, 838755, 963015, 1368495, 1733427, 2889045, 5200281, 8667135, 26001405]

約数ペア:

[(1, 26001405), (3, 8667135), (5, 5200281), (9, 2889045), (15, 1733427), (19, 1368495), (27, 963015), (31, 838755), (45, 577809), (57, 456165), (81, 321005), (93, 279585), (95, 273699), (109, 238545), (135, 192603), (155, 167751), (171, 152055), (279, 93195), (285, 91233), (327, 79515), (405, 64201), (465, 55917), (513, 50685), (545, 47709), (589, 44145), (837, 31065), (855, 30411), (981, 26505), (1395, 18639), (1539, 16895), (1635, 15903), (1767, 14715), (2071, 12555), (2511, 10355), (2565, 10137), (2943, 8835), (2945, 8829), (3379, 7695), (4185, 6213), (4905, 5301)]