10720880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7883}}^1$

素因数の和:7913

約数の個数: 40

約数和(自身を含む): 26395632

約数和(自身を除く): 15674752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 7883, 15766, 31532, 39415, 63064, 78830, 126128, 134011, 157660, 268022, 315320, 536044, 630640, 670055, 1072088, 1340110, 2144176, 2680220, 5360440, 10720880]

約数ペア:

[(1, 10720880), (2, 5360440), (4, 2680220), (5, 2144176), (8, 1340110), (10, 1072088), (16, 670055), (17, 630640), (20, 536044), (34, 315320), (40, 268022), (68, 157660), (80, 134011), (85, 126128), (136, 78830), (170, 63064), (272, 39415), (340, 31532), (680, 15766), (1360, 7883)]