4255492090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{21139}}^1$

素因数の和:21678

約数の個数: 32

約数和(自身を含む): 7863065280

約数和(自身を除く): 3607573190

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 491, 982, 2455, 4910, 20131, 21139, 40262, 42278, 100655, 105695, 201310, 211390, 866699, 1733398, 4333495, 8666990, 10379249, 20758498, 51896245, 103792490, 425549209, 851098418, 2127746045, 4255492090]

約数ペア:

[(1, 4255492090), (2, 2127746045), (5, 851098418), (10, 425549209), (41, 103792490), (82, 51896245), (205, 20758498), (410, 10379249), (491, 8666990), (982, 4333495), (2455, 1733398), (4910, 866699), (20131, 211390), (21139, 201310), (40262, 105695), (42278, 100655)]