4244320

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 10287648

約数和(自身を除く): 6043328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 647, 656, 820, 1294, 1312, 1640, 2588, 3235, 3280, 5176, 6470, 6560, 10352, 12940, 20704, 25880, 26527, 51760, 53054, 103520, 106108, 132635, 212216, 265270, 424432, 530540, 848864, 1061080, 2122160, 4244320]

約数ペア:

[(1, 4244320), (2, 2122160), (4, 1061080), (5, 848864), (8, 530540), (10, 424432), (16, 265270), (20, 212216), (32, 132635), (40, 106108), (41, 103520), (80, 53054), (82, 51760), (160, 26527), (164, 25880), (205, 20704), (328, 12940), (410, 10352), (647, 6560), (656, 6470), (820, 5176), (1294, 3280), (1312, 3235), (1640, 2588)]