26407280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 64308384

約数和(自身を除く): 37901104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 83, 97, 164, 166, 194, 205, 328, 332, 388, 410, 415, 485, 656, 664, 776, 820, 830, 970, 1328, 1552, 1640, 1660, 1940, 3280, 3320, 3403, 3880, 3977, 6640, 6806, 7760, 7954, 8051, 13612, 15908, 16102, 17015, 19885, 27224, 31816, 32204, 34030, 39770, 40255, 54448, 63632, 64408, 68060, 79540, 80510, 128816, 136120, 159080, 161020, 272240, 318160, 322040, 330091, 644080, 660182, 1320364, 1650455, 2640728, 3300910, 5281456, 6601820, 13203640, 26407280]

約数ペア:

[(1, 26407280), (2, 13203640), (4, 6601820), (5, 5281456), (8, 3300910), (10, 2640728), (16, 1650455), (20, 1320364), (40, 660182), (41, 644080), (80, 330091), (82, 322040), (83, 318160), (97, 272240), (164, 161020), (166, 159080), (194, 136120), (205, 128816), (328, 80510), (332, 79540), (388, 68060), (410, 64408), (415, 63632), (485, 54448), (656, 40255), (664, 39770), (776, 34030), (820, 32204), (830, 31816), (970, 27224), (1328, 19885), (1552, 17015), (1640, 16102), (1660, 15908), (1940, 13612), (3280, 8051), (3320, 7954), (3403, 7760), (3880, 6806), (3977, 6640)]