69989120

素因数分解:

$2^8\times 5^1\times {\mathrm{54679}}^1$

素因数の和:54700

約数の個数: 36

約数和(自身を含む): 167648880

約数和(自身を除く): 97659760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 54679, 109358, 218716, 273395, 437432, 546790, 874864, 1093580, 1749728, 2187160, 3499456, 4374320, 6998912, 8748640, 13997824, 17497280, 34994560, 69989120]

約数ペア:

[(1, 69989120), (2, 34994560), (4, 17497280), (5, 13997824), (8, 8748640), (10, 6998912), (16, 4374320), (20, 3499456), (32, 2187160), (40, 1749728), (64, 1093580), (80, 874864), (128, 546790), (160, 437432), (256, 273395), (320, 218716), (640, 109358), (1280, 54679)]