134707960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{82139}}^1$

素因数の和:82191

約数の個数: 32

約数和(自身を含む): 310489200

約数和(自身を除く): 175781240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 82139, 164278, 328556, 410695, 657112, 821390, 1642780, 3285560, 3367699, 6735398, 13470796, 16838495, 26941592, 33676990, 67353980, 134707960]

約数ペア:

[(1, 134707960), (2, 67353980), (4, 33676990), (5, 26941592), (8, 16838495), (10, 13470796), (20, 6735398), (40, 3367699), (41, 3285560), (82, 1642780), (164, 821390), (205, 657112), (328, 410695), (410, 328556), (820, 164278), (1640, 82139)]