25747930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 52744608

約数和(自身を除く): 26996678

約数列:

[1, 2, 5, 10, 13, 26, 37, 53, 65, 74, 101, 106, 130, 185, 202, 265, 370, 481, 505, 530, 689, 962, 1010, 1313, 1378, 1961, 2405, 2626, 3445, 3737, 3922, 4810, 5353, 6565, 6890, 7474, 9805, 10706, 13130, 18685, 19610, 25493, 26765, 37370, 48581, 50986, 53530, 69589, 97162, 127465, 139178, 198061, 242905, 254930, 347945, 396122, 485810, 695890, 990305, 1980610, 2574793, 5149586, 12873965, 25747930]

約数ペア:

[(1, 25747930), (2, 12873965), (5, 5149586), (10, 2574793), (13, 1980610), (26, 990305), (37, 695890), (53, 485810), (65, 396122), (74, 347945), (101, 254930), (106, 242905), (130, 198061), (185, 139178), (202, 127465), (265, 97162), (370, 69589), (481, 53530), (505, 50986), (530, 48581), (689, 37370), (962, 26765), (1010, 25493), (1313, 19610), (1378, 18685), (1961, 13130), (2405, 10706), (2626, 9805), (3445, 7474), (3737, 6890), (3922, 6565), (4810, 5353)]