25485890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{761}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 48883824

約数和(自身を除く): 23397934

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 197, 394, 761, 985, 1522, 1970, 3349, 3805, 6698, 7610, 12937, 16745, 25874, 33490, 64685, 129370, 149917, 299834, 749585, 1499170, 2548589, 5097178, 12742945, 25485890]

約数ペア:

[(1, 25485890), (2, 12742945), (5, 5097178), (10, 2548589), (17, 1499170), (34, 749585), (85, 299834), (170, 149917), (197, 129370), (394, 64685), (761, 33490), (985, 25874), (1522, 16745), (1970, 12937), (3349, 7610), (3805, 6698)]