20573864750

素因数分解:

$2^1\times 5^3\times {\mathrm{1019}}^1\times {\mathrm{80761}}^1$

素因数の和:81797

約数の個数: 32

約数和(自身を含む): 38552548320

約数和(自身を除く): 17978683570

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 1019, 2038, 5095, 10190, 25475, 50950, 80761, 127375, 161522, 254750, 403805, 807610, 2019025, 4038050, 10095125, 20190250, 82295459, 164590918, 411477295, 822954590, 2057386475, 4114772950, 10286932375, 20573864750]

約数ペア:

[(1, 20573864750), (2, 10286932375), (5, 4114772950), (10, 2057386475), (25, 822954590), (50, 411477295), (125, 164590918), (250, 82295459), (1019, 20190250), (2038, 10095125), (5095, 4038050), (10190, 2019025), (25475, 807610), (50950, 403805), (80761, 254750), (127375, 161522)]