139718720

素因数分解:

$2^6\times 5^1\times {\mathrm{436621}}^1$

素因数の和:436638

約数の個数: 28

約数和(自身を含む): 332705964

約数和(自身を除く): 192987244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 436621, 873242, 1746484, 2183105, 3492968, 4366210, 6985936, 8732420, 13971872, 17464840, 27943744, 34929680, 69859360, 139718720]

約数ペア:

[(1, 139718720), (2, 69859360), (4, 34929680), (5, 27943744), (8, 17464840), (10, 13971872), (16, 8732420), (20, 6985936), (32, 4366210), (40, 3492968), (64, 2183105), (80, 1746484), (160, 873242), (320, 436621)]