15729680

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{557}}^1$

素因数の和:923

約数の個数: 40

約数和(自身を含む): 36740952

約数和(自身を除く): 21011272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 557, 706, 1114, 1412, 1765, 2228, 2785, 2824, 3530, 4456, 5570, 5648, 7060, 8912, 11140, 14120, 22280, 28240, 44560, 196621, 393242, 786484, 983105, 1572968, 1966210, 3145936, 3932420, 7864840, 15729680]

約数ペア:

[(1, 15729680), (2, 7864840), (4, 3932420), (5, 3145936), (8, 1966210), (10, 1572968), (16, 983105), (20, 786484), (40, 393242), (80, 196621), (353, 44560), (557, 28240), (706, 22280), (1114, 14120), (1412, 11140), (1765, 8912), (2228, 7060), (2785, 5648), (2824, 5570), (3530, 4456)]