26787760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8167}}^1$

素因数の和:8221

約数の個数: 40

約数和(自身を含む): 63808416

約数和(自身を除く): 37020656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 8167, 16334, 32668, 40835, 65336, 81670, 130672, 163340, 326680, 334847, 653360, 669694, 1339388, 1674235, 2678776, 3348470, 5357552, 6696940, 13393880, 26787760]

約数ペア:

[(1, 26787760), (2, 13393880), (4, 6696940), (5, 5357552), (8, 3348470), (10, 2678776), (16, 1674235), (20, 1339388), (40, 669694), (41, 653360), (80, 334847), (82, 326680), (164, 163340), (205, 130672), (328, 81670), (410, 65336), (656, 40835), (820, 32668), (1640, 16334), (3280, 8167)]