129352520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293983}}^1$

素因数の和:294005

約数の個数: 32

約数和(自身を含む): 317502720

約数和(自身を除く): 188150200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 293983, 587966, 1175932, 1469915, 2351864, 2939830, 3233813, 5879660, 6467626, 11759320, 12935252, 16169065, 25870504, 32338130, 64676260, 129352520]

約数ペア:

[(1, 129352520), (2, 64676260), (4, 32338130), (5, 25870504), (8, 16169065), (10, 12935252), (11, 11759320), (20, 6467626), (22, 5879660), (40, 3233813), (44, 2939830), (55, 2351864), (88, 1469915), (110, 1175932), (220, 587966), (440, 293983)]