65237500

素因数分解:

$2^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 151584048

約数和(自身を除く): 86346548

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 307, 340, 425, 500, 614, 625, 850, 1228, 1250, 1535, 1700, 2125, 2500, 3070, 3125, 4250, 5219, 6140, 6250, 7675, 8500, 10438, 10625, 12500, 15350, 20876, 21250, 26095, 30700, 38375, 42500, 52190, 53125, 76750, 104380, 106250, 130475, 153500, 191875, 212500, 260950, 383750, 521900, 652375, 767500, 959375, 1304750, 1918750, 2609500, 3261875, 3837500, 6523750, 13047500, 16309375, 32618750, 65237500]

約数ペア:

[(1, 65237500), (2, 32618750), (4, 16309375), (5, 13047500), (10, 6523750), (17, 3837500), (20, 3261875), (25, 2609500), (34, 1918750), (50, 1304750), (68, 959375), (85, 767500), (100, 652375), (125, 521900), (170, 383750), (250, 260950), (307, 212500), (340, 191875), (425, 153500), (500, 130475), (614, 106250), (625, 104380), (850, 76750), (1228, 53125), (1250, 52190), (1535, 42500), (1700, 38375), (2125, 30700), (2500, 26095), (3070, 21250), (3125, 20876), (4250, 15350), (5219, 12500), (6140, 10625), (6250, 10438), (7675, 8500)]