20219016025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{8363}}^1$

素因数の和:8602

約数の個数: 48

約数和(自身を含む): 27791096256

約数和(自身を除く): 7572080231

約数列:

[1, 5, 13, 25, 43, 65, 173, 215, 325, 559, 865, 1075, 2249, 2795, 4325, 7439, 8363, 11245, 13975, 37195, 41815, 56225, 96707, 108719, 185975, 209075, 359609, 483535, 543595, 1446799, 1798045, 2417675, 2717975, 4674917, 7233995, 8990225, 18808387, 23374585, 36169975, 62212357, 94041935, 116872925, 311061785, 470209675, 808760641, 1555308925, 4043803205, 20219016025]

約数ペア:

[(1, 20219016025), (5, 4043803205), (13, 1555308925), (25, 808760641), (43, 470209675), (65, 311061785), (173, 116872925), (215, 94041935), (325, 62212357), (559, 36169975), (865, 23374585), (1075, 18808387), (2249, 8990225), (2795, 7233995), (4325, 4674917), (7439, 2717975), (8363, 2417675), (11245, 1798045), (13975, 1446799), (37195, 543595), (41815, 483535), (56225, 359609), (96707, 209075), (108719, 185975)]