25733540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{463}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 62049792

約数和(自身を除く): 36316252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 463, 794, 926, 1588, 1852, 1985, 2315, 2779, 3241, 3970, 4630, 5558, 6482, 7940, 9260, 11116, 12964, 13895, 16205, 27790, 32410, 55580, 64820, 183811, 367622, 735244, 919055, 1286677, 1838110, 2573354, 3676220, 5146708, 6433385, 12866770, 25733540]

約数ペア:

[(1, 25733540), (2, 12866770), (4, 6433385), (5, 5146708), (7, 3676220), (10, 2573354), (14, 1838110), (20, 1286677), (28, 919055), (35, 735244), (70, 367622), (140, 183811), (397, 64820), (463, 55580), (794, 32410), (926, 27790), (1588, 16205), (1852, 13895), (1985, 12964), (2315, 11116), (2779, 9260), (3241, 7940), (3970, 6482), (4630, 5558)]