26656390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 49416480

約数和(自身を除く): 22760090

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 445, 491, 610, 890, 982, 2455, 4910, 5429, 10858, 27145, 29951, 43699, 54290, 59902, 87398, 149755, 218495, 299510, 436990, 2665639, 5331278, 13328195, 26656390]

約数ペア:

[(1, 26656390), (2, 13328195), (5, 5331278), (10, 2665639), (61, 436990), (89, 299510), (122, 218495), (178, 149755), (305, 87398), (445, 59902), (491, 54290), (610, 43699), (890, 29951), (982, 27145), (2455, 10858), (4910, 5429)]