65506940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 145061280

約数和(自身を除く): 79554340

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 212, 265, 290, 530, 580, 1060, 1537, 2131, 3074, 4262, 6148, 7685, 8524, 10655, 15370, 21310, 30740, 42620, 61799, 112943, 123598, 225886, 247196, 308995, 451772, 564715, 617990, 1129430, 1235980, 2258860, 3275347, 6550694, 13101388, 16376735, 32753470, 65506940]

約数ペア:

[(1, 65506940), (2, 32753470), (4, 16376735), (5, 13101388), (10, 6550694), (20, 3275347), (29, 2258860), (53, 1235980), (58, 1129430), (106, 617990), (116, 564715), (145, 451772), (212, 308995), (265, 247196), (290, 225886), (530, 123598), (580, 112943), (1060, 61799), (1537, 42620), (2131, 30740), (3074, 21310), (4262, 15370), (6148, 10655), (7685, 8524)]