130513880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{466121}}^1$

素因数の和:466139

約数の個数: 32

約数和(自身を含む): 335607840

約数和(自身を除く): 205093960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 466121, 932242, 1864484, 2330605, 3262847, 3728968, 4661210, 6525694, 9322420, 13051388, 16314235, 18644840, 26102776, 32628470, 65256940, 130513880]

約数ペア:

[(1, 130513880), (2, 65256940), (4, 32628470), (5, 26102776), (7, 18644840), (8, 16314235), (10, 13051388), (14, 9322420), (20, 6525694), (28, 4661210), (35, 3728968), (40, 3262847), (56, 2330605), (70, 1864484), (140, 932242), (280, 466121)]