26391760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 65620800

約数和(自身を除く): 39229040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 179, 190, 194, 304, 358, 380, 388, 485, 716, 760, 776, 895, 970, 1432, 1520, 1552, 1790, 1843, 1940, 2864, 3401, 3580, 3686, 3880, 6802, 7160, 7372, 7760, 9215, 13604, 14320, 14744, 17005, 17363, 18430, 27208, 29488, 34010, 34726, 36860, 54416, 68020, 69452, 73720, 86815, 136040, 138904, 147440, 173630, 272080, 277808, 329897, 347260, 659794, 694520, 1319588, 1389040, 1649485, 2639176, 3298970, 5278352, 6597940, 13195880, 26391760]

約数ペア:

[(1, 26391760), (2, 13195880), (4, 6597940), (5, 5278352), (8, 3298970), (10, 2639176), (16, 1649485), (19, 1389040), (20, 1319588), (38, 694520), (40, 659794), (76, 347260), (80, 329897), (95, 277808), (97, 272080), (152, 173630), (179, 147440), (190, 138904), (194, 136040), (304, 86815), (358, 73720), (380, 69452), (388, 68020), (485, 54416), (716, 36860), (760, 34726), (776, 34010), (895, 29488), (970, 27208), (1432, 18430), (1520, 17363), (1552, 17005), (1790, 14744), (1843, 14320), (1940, 13604), (2864, 9215), (3401, 7760), (3580, 7372), (3686, 7160), (3880, 6802)]