25221200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3709}}^1$

素因数の和:3744

約数の個数: 60

約数和(自身を含む): 64175580

約数和(自身を除く): 38954380

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 3709, 6800, 7418, 14836, 18545, 29672, 37090, 59344, 63053, 74180, 92725, 126106, 148360, 185450, 252212, 296720, 315265, 370900, 504424, 630530, 741800, 1008848, 1261060, 1483600, 1576325, 2522120, 3152650, 5044240, 6305300, 12610600, 25221200]

約数ペア:

[(1, 25221200), (2, 12610600), (4, 6305300), (5, 5044240), (8, 3152650), (10, 2522120), (16, 1576325), (17, 1483600), (20, 1261060), (25, 1008848), (34, 741800), (40, 630530), (50, 504424), (68, 370900), (80, 315265), (85, 296720), (100, 252212), (136, 185450), (170, 148360), (200, 126106), (272, 92725), (340, 74180), (400, 63053), (425, 59344), (680, 37090), (850, 29672), (1360, 18545), (1700, 14836), (3400, 7418), (3709, 6800)]