804544640

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30661}}^1$

素因数の和:30721

約数の個数: 64

約数和(自身を含む): 1970340120

約数和(自身を除く): 1165795480

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, 2624, 3280, 5248, 6560, 13120, 26240, 30661, 61322, 122644, 153305, 245288, 306610, 490576, 613220, 981152, 1226440, 1257101, 1962304, 2452880, 2514202, 3924608, 4905760, 5028404, 6285505, 9811520, 10056808, 12571010, 19623040, 20113616, 25142020, 40227232, 50284040, 80454464, 100568080, 160908928, 201136160, 402272320, 804544640]

約数ペア:

[(1, 804544640), (2, 402272320), (4, 201136160), (5, 160908928), (8, 100568080), (10, 80454464), (16, 50284040), (20, 40227232), (32, 25142020), (40, 20113616), (41, 19623040), (64, 12571010), (80, 10056808), (82, 9811520), (128, 6285505), (160, 5028404), (164, 4905760), (205, 3924608), (320, 2514202), (328, 2452880), (410, 1962304), (640, 1257101), (656, 1226440), (820, 981152), (1312, 613220), (1640, 490576), (2624, 306610), (3280, 245288), (5248, 153305), (6560, 122644), (13120, 61322), (26240, 30661)]