51771520

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1973}}^1$

素因数の和:2033

約数の個数: 64

約数和(自身を含む): 126849240

約数和(自身を除く): 75077720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 1973, 2624, 3280, 3946, 5248, 6560, 7892, 9865, 13120, 15784, 19730, 26240, 31568, 39460, 63136, 78920, 80893, 126272, 157840, 161786, 252544, 315680, 323572, 404465, 631360, 647144, 808930, 1262720, 1294288, 1617860, 2588576, 3235720, 5177152, 6471440, 10354304, 12942880, 25885760, 51771520]

約数ペア:

[(1, 51771520), (2, 25885760), (4, 12942880), (5, 10354304), (8, 6471440), (10, 5177152), (16, 3235720), (20, 2588576), (32, 1617860), (40, 1294288), (41, 1262720), (64, 808930), (80, 647144), (82, 631360), (128, 404465), (160, 323572), (164, 315680), (205, 252544), (320, 161786), (328, 157840), (410, 126272), (640, 80893), (656, 78920), (820, 63136), (1312, 39460), (1640, 31568), (1973, 26240), (2624, 19730), (3280, 15784), (3946, 13120), (5248, 9865), (6560, 7892)]