13308401980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{91291}}^1$

素因数の和:91534

約数の個数: 48

約数和(自身を含む): 28849002336

約数和(自身を除く): 15540600356

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 197, 370, 394, 740, 788, 985, 1970, 3940, 7289, 14578, 29156, 36445, 72890, 91291, 145780, 182582, 365164, 456455, 912910, 1825820, 3377767, 6755534, 13511068, 16888835, 17984327, 33777670, 35968654, 67555340, 71937308, 89921635, 179843270, 359686540, 665420099, 1330840198, 2661680396, 3327100495, 6654200990, 13308401980]

約数ペア:

[(1, 13308401980), (2, 6654200990), (4, 3327100495), (5, 2661680396), (10, 1330840198), (20, 665420099), (37, 359686540), (74, 179843270), (148, 89921635), (185, 71937308), (197, 67555340), (370, 35968654), (394, 33777670), (740, 17984327), (788, 16888835), (985, 13511068), (1970, 6755534), (3940, 3377767), (7289, 1825820), (14578, 912910), (29156, 456455), (36445, 365164), (72890, 182582), (91291, 145780)]