12973220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 30079728

約数和(自身を除く): 17106508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 1217, 2132, 2434, 2665, 4868, 5330, 6085, 10660, 12170, 15821, 24340, 31642, 49897, 63284, 79105, 99794, 158210, 199588, 249485, 316420, 498970, 648661, 997940, 1297322, 2594644, 3243305, 6486610, 12973220]

約数ペア:

[(1, 12973220), (2, 6486610), (4, 3243305), (5, 2594644), (10, 1297322), (13, 997940), (20, 648661), (26, 498970), (41, 316420), (52, 249485), (65, 199588), (82, 158210), (130, 99794), (164, 79105), (205, 63284), (260, 49897), (410, 31642), (533, 24340), (820, 15821), (1066, 12170), (1217, 10660), (2132, 6085), (2434, 5330), (2665, 4868)]