40878370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 85730400

約数和(自身を除く): 44852030

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 53, 65, 85, 106, 130, 170, 221, 265, 349, 442, 530, 689, 698, 901, 1105, 1378, 1745, 1802, 2210, 3445, 3490, 4505, 4537, 5933, 6890, 9010, 9074, 11713, 11866, 18497, 22685, 23426, 29665, 36994, 45370, 58565, 59330, 77129, 92485, 117130, 154258, 184970, 240461, 314449, 385645, 480922, 628898, 771290, 1202305, 1572245, 2404610, 3144490, 4087837, 8175674, 20439185, 40878370]

約数ペア:

[(1, 40878370), (2, 20439185), (5, 8175674), (10, 4087837), (13, 3144490), (17, 2404610), (26, 1572245), (34, 1202305), (53, 771290), (65, 628898), (85, 480922), (106, 385645), (130, 314449), (170, 240461), (221, 184970), (265, 154258), (349, 117130), (442, 92485), (530, 77129), (689, 59330), (698, 58565), (901, 45370), (1105, 36994), (1378, 29665), (1745, 23426), (1802, 22685), (2210, 18497), (3445, 11866), (3490, 11713), (4505, 9074), (4537, 9010), (5933, 6890)]