26649680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 64948224

約数和(自身を除く): 38298544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 61, 80, 86, 122, 127, 172, 215, 244, 254, 305, 344, 430, 488, 508, 610, 635, 688, 860, 976, 1016, 1220, 1270, 1720, 2032, 2440, 2540, 2623, 3440, 4880, 5080, 5246, 5461, 7747, 10160, 10492, 10922, 13115, 15494, 20984, 21844, 26230, 27305, 30988, 38735, 41968, 43688, 52460, 54610, 61976, 77470, 87376, 104920, 109220, 123952, 154940, 209840, 218440, 309880, 333121, 436880, 619760, 666242, 1332484, 1665605, 2664968, 3331210, 5329936, 6662420, 13324840, 26649680]

約数ペア:

[(1, 26649680), (2, 13324840), (4, 6662420), (5, 5329936), (8, 3331210), (10, 2664968), (16, 1665605), (20, 1332484), (40, 666242), (43, 619760), (61, 436880), (80, 333121), (86, 309880), (122, 218440), (127, 209840), (172, 154940), (215, 123952), (244, 109220), (254, 104920), (305, 87376), (344, 77470), (430, 61976), (488, 54610), (508, 52460), (610, 43688), (635, 41968), (688, 38735), (860, 30988), (976, 27305), (1016, 26230), (1220, 21844), (1270, 20984), (1720, 15494), (2032, 13115), (2440, 10922), (2540, 10492), (2623, 10160), (3440, 7747), (4880, 5461), (5080, 5246)]