26988280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 67132800

約数和(自身を除く): 40144520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 220, 332, 415, 440, 664, 739, 830, 913, 1478, 1660, 1826, 2956, 3320, 3652, 3695, 4565, 5912, 7304, 7390, 8129, 9130, 14780, 16258, 18260, 29560, 32516, 36520, 40645, 61337, 65032, 81290, 122674, 162580, 245348, 306685, 325160, 490696, 613370, 674707, 1226740, 1349414, 2453480, 2698828, 3373535, 5397656, 6747070, 13494140, 26988280]

約数ペア:

[(1, 26988280), (2, 13494140), (4, 6747070), (5, 5397656), (8, 3373535), (10, 2698828), (11, 2453480), (20, 1349414), (22, 1226740), (40, 674707), (44, 613370), (55, 490696), (83, 325160), (88, 306685), (110, 245348), (166, 162580), (220, 122674), (332, 81290), (415, 65032), (440, 61337), (664, 40645), (739, 36520), (830, 32516), (913, 29560), (1478, 18260), (1660, 16258), (1826, 14780), (2956, 9130), (3320, 8129), (3652, 7390), (3695, 7304), (4565, 5912)]