2071940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{613}}^1$

素因数の和:648

約数の個数: 36

約数和(自身を含む): 4719204

約数和(自身を除く): 2647264

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 613, 676, 845, 1226, 1690, 2452, 3065, 3380, 6130, 7969, 12260, 15938, 31876, 39845, 79690, 103597, 159380, 207194, 414388, 517985, 1035970, 2071940]

約数ペア:

[(1, 2071940), (2, 1035970), (4, 517985), (5, 414388), (10, 207194), (13, 159380), (20, 103597), (26, 79690), (52, 39845), (65, 31876), (130, 15938), (169, 12260), (260, 7969), (338, 6130), (613, 3380), (676, 3065), (845, 2452), (1226, 1690)]