26405680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{773}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 71406144

約数和(自身を除く): 45000464

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, 773, 854, 976, 1220, 1546, 1708, 2135, 2440, 3092, 3416, 3865, 4270, 4880, 5411, 6184, 6832, 7730, 8540, 10822, 12368, 15460, 17080, 21644, 27055, 30920, 34160, 43288, 47153, 54110, 61840, 86576, 94306, 108220, 188612, 216440, 235765, 330071, 377224, 432880, 471530, 660142, 754448, 943060, 1320284, 1650355, 1886120, 2640568, 3300710, 3772240, 5281136, 6601420, 13202840, 26405680]

約数ペア:

[(1, 26405680), (2, 13202840), (4, 6601420), (5, 5281136), (7, 3772240), (8, 3300710), (10, 2640568), (14, 1886120), (16, 1650355), (20, 1320284), (28, 943060), (35, 754448), (40, 660142), (56, 471530), (61, 432880), (70, 377224), (80, 330071), (112, 235765), (122, 216440), (140, 188612), (244, 108220), (280, 94306), (305, 86576), (427, 61840), (488, 54110), (560, 47153), (610, 43288), (773, 34160), (854, 30920), (976, 27055), (1220, 21644), (1546, 17080), (1708, 15460), (2135, 12368), (2440, 10822), (3092, 8540), (3416, 7730), (3865, 6832), (4270, 6184), (4880, 5411)]