26930440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16421}}^1$

素因数の和:16473

約数の個数: 32

約数和(自身を含む): 62075160

約数和(自身を除く): 35144720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 16421, 32842, 65684, 82105, 131368, 164210, 328420, 656840, 673261, 1346522, 2693044, 3366305, 5386088, 6732610, 13465220, 26930440]

約数ペア:

[(1, 26930440), (2, 13465220), (4, 6732610), (5, 5386088), (8, 3366305), (10, 2693044), (20, 1346522), (40, 673261), (41, 656840), (82, 328420), (164, 164210), (205, 131368), (328, 82105), (410, 65684), (820, 32842), (1640, 16421)]