12540950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 25206720

約数和(自身を除く): 12665770

約数列:

[1, 2, 5, 10, 19, 25, 38, 43, 50, 86, 95, 190, 215, 307, 430, 475, 614, 817, 950, 1075, 1535, 1634, 2150, 3070, 4085, 5833, 7675, 8170, 11666, 13201, 15350, 20425, 26402, 29165, 40850, 58330, 66005, 132010, 145825, 250819, 291650, 330025, 501638, 660050, 1254095, 2508190, 6270475, 12540950]

約数ペア:

[(1, 12540950), (2, 6270475), (5, 2508190), (10, 1254095), (19, 660050), (25, 501638), (38, 330025), (43, 291650), (50, 250819), (86, 145825), (95, 132010), (190, 66005), (215, 58330), (307, 40850), (430, 29165), (475, 26402), (614, 20425), (817, 15350), (950, 13201), (1075, 11666), (1535, 8170), (1634, 7675), (2150, 5833), (3070, 4085)]