161330982020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{1663549}}^1$

素因数の和:1663944

約数の個数: 48

約数和(自身を含む): 365834607600

約数和(自身を除く): 204503625580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 373, 746, 1492, 1865, 3730, 4849, 7460, 9698, 19396, 24245, 48490, 96980, 1663549, 3327098, 6654196, 8317745, 16635490, 21626137, 33270980, 43252274, 86504548, 108130685, 216261370, 432522740, 620503777, 1241007554, 2482015108, 3102518885, 6205037770, 8066549101, 12410075540, 16133098202, 32266196404, 40332745505, 80665491010, 161330982020]

約数ペア:

[(1, 161330982020), (2, 80665491010), (4, 40332745505), (5, 32266196404), (10, 16133098202), (13, 12410075540), (20, 8066549101), (26, 6205037770), (52, 3102518885), (65, 2482015108), (130, 1241007554), (260, 620503777), (373, 432522740), (746, 216261370), (1492, 108130685), (1865, 86504548), (3730, 43252274), (4849, 33270980), (7460, 21626137), (9698, 16635490), (19396, 8317745), (24245, 6654196), (48490, 3327098), (96980, 1663549)]