71037460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{21017}}^1$

素因数の和:21052

約数の個数: 36

約数和(自身を含む): 161544348

約数和(自身を除く): 90506888

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 21017, 42034, 84068, 105085, 210170, 273221, 420340, 546442, 1092884, 1366105, 2732210, 3551873, 5464420, 7103746, 14207492, 17759365, 35518730, 71037460]

約数ペア:

[(1, 71037460), (2, 35518730), (4, 17759365), (5, 14207492), (10, 7103746), (13, 5464420), (20, 3551873), (26, 2732210), (52, 1366105), (65, 1092884), (130, 546442), (169, 420340), (260, 273221), (338, 210170), (676, 105085), (845, 84068), (1690, 42034), (3380, 21017)]