27329380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 62198640

約数和(自身を除く): 34869260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 409, 514, 818, 1028, 1285, 1636, 2045, 2570, 3341, 4090, 5140, 5317, 6682, 8180, 10634, 13364, 16705, 21268, 26585, 33410, 53170, 66820, 105113, 106340, 210226, 420452, 525565, 1051130, 1366469, 2102260, 2732938, 5465876, 6832345, 13664690, 27329380]

約数ペア:

[(1, 27329380), (2, 13664690), (4, 6832345), (5, 5465876), (10, 2732938), (13, 2102260), (20, 1366469), (26, 1051130), (52, 525565), (65, 420452), (130, 210226), (257, 106340), (260, 105113), (409, 66820), (514, 53170), (818, 33410), (1028, 26585), (1285, 21268), (1636, 16705), (2045, 13364), (2570, 10634), (3341, 8180), (4090, 6682), (5140, 5317)]