129132520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293483}}^1$

素因数の和:293505

約数の個数: 32

約数和(自身を含む): 316962720

約数和(自身を除く): 187830200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 293483, 586966, 1173932, 1467415, 2347864, 2934830, 3228313, 5869660, 6456626, 11739320, 12913252, 16141565, 25826504, 32283130, 64566260, 129132520]

約数ペア:

[(1, 129132520), (2, 64566260), (4, 32283130), (5, 25826504), (8, 16141565), (10, 12913252), (11, 11739320), (20, 6456626), (22, 5869660), (40, 3228313), (44, 2934830), (55, 2347864), (88, 1467415), (110, 1173932), (220, 586966), (440, 293483)]