68141960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{19141}}^1$

素因数の和:19241

約数の個数: 32

約数和(自身を含む): 155050200

約数和(自身を除く): 86908240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 19141, 38282, 76564, 95705, 153128, 191410, 382820, 765640, 1703549, 3407098, 6814196, 8517745, 13628392, 17035490, 34070980, 68141960]

約数ペア:

[(1, 68141960), (2, 34070980), (4, 17035490), (5, 13628392), (8, 8517745), (10, 6814196), (20, 3407098), (40, 1703549), (89, 765640), (178, 382820), (356, 191410), (445, 153128), (712, 95705), (890, 76564), (1780, 38282), (3560, 19141)]