25995760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 70299072

約数和(自身を除く): 44303312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 761, 854, 976, 1220, 1522, 1708, 2135, 2440, 3044, 3416, 3805, 4270, 4880, 5327, 6088, 6832, 7610, 8540, 10654, 12176, 15220, 17080, 21308, 26635, 30440, 34160, 42616, 46421, 53270, 60880, 85232, 92842, 106540, 185684, 213080, 232105, 324947, 371368, 426160, 464210, 649894, 742736, 928420, 1299788, 1624735, 1856840, 2599576, 3249470, 3713680, 5199152, 6498940, 12997880, 25995760]

約数ペア:

[(1, 25995760), (2, 12997880), (4, 6498940), (5, 5199152), (7, 3713680), (8, 3249470), (10, 2599576), (14, 1856840), (16, 1624735), (20, 1299788), (28, 928420), (35, 742736), (40, 649894), (56, 464210), (61, 426160), (70, 371368), (80, 324947), (112, 232105), (122, 213080), (140, 185684), (244, 106540), (280, 92842), (305, 85232), (427, 60880), (488, 53270), (560, 46421), (610, 42616), (761, 34160), (854, 30440), (976, 26635), (1220, 21308), (1522, 17080), (1708, 15220), (2135, 12176), (2440, 10654), (3044, 8540), (3416, 7610), (3805, 6832), (4270, 6088), (4880, 5327)]