25081900

素因数分解:

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

素因数の和:383

約数の個数: 72

約数和(自身を含む): 58815680

約数和(自身を除く): 33733780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 307, 380, 430, 475, 614, 817, 860, 950, 1075, 1228, 1535, 1634, 1900, 2150, 3070, 3268, 4085, 4300, 5833, 6140, 7675, 8170, 11666, 13201, 15350, 16340, 20425, 23332, 26402, 29165, 30700, 40850, 52804, 58330, 66005, 81700, 116660, 132010, 145825, 250819, 264020, 291650, 330025, 501638, 583300, 660050, 1003276, 1254095, 1320100, 2508190, 5016380, 6270475, 12540950, 25081900]

約数ペア:

[(1, 25081900), (2, 12540950), (4, 6270475), (5, 5016380), (10, 2508190), (19, 1320100), (20, 1254095), (25, 1003276), (38, 660050), (43, 583300), (50, 501638), (76, 330025), (86, 291650), (95, 264020), (100, 250819), (172, 145825), (190, 132010), (215, 116660), (307, 81700), (380, 66005), (430, 58330), (475, 52804), (614, 40850), (817, 30700), (860, 29165), (950, 26402), (1075, 23332), (1228, 20425), (1535, 16340), (1634, 15350), (1900, 13201), (2150, 11666), (3070, 8170), (3268, 7675), (4085, 6140), (4300, 5833)]