1964131420

素因数分解:

$2^2\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{71527}}^1$

素因数の和:72909

約数の個数: 24

約数和(自身を含む): 4127737824

約数和(自身を除く): 2163606404

約数列:

[1, 2, 4, 5, 10, 20, 1373, 2746, 5492, 6865, 13730, 27460, 71527, 143054, 286108, 357635, 715270, 1430540, 98206571, 196413142, 392826284, 491032855, 982065710, 1964131420]

約数ペア:

[(1, 1964131420), (2, 982065710), (4, 491032855), (5, 392826284), (10, 196413142), (20, 98206571), (1373, 1430540), (2746, 715270), (5492, 357635), (6865, 286108), (13730, 143054), (27460, 71527)]