138469120

素因数分解:

$2^8\times 5^1\times {\mathrm{108179}}^1$

素因数の和:108200

約数の個数: 36

約数和(自身を含む): 331679880

約数和(自身を除く): 193210760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 108179, 216358, 432716, 540895, 865432, 1081790, 1730864, 2163580, 3461728, 4327160, 6923456, 8654320, 13846912, 17308640, 27693824, 34617280, 69234560, 138469120]

約数ペア:

[(1, 138469120), (2, 69234560), (4, 34617280), (5, 27693824), (8, 17308640), (10, 13846912), (16, 8654320), (20, 6923456), (32, 4327160), (40, 3461728), (64, 2163580), (80, 1730864), (128, 1081790), (160, 865432), (256, 540895), (320, 432716), (640, 216358), (1280, 108179)]