71448320

素因数分解:

$2^8\times 5^1\times {\mathrm{55819}}^1$

素因数の和:55840

約数の個数: 36

約数和(自身を含む): 171144120

約数和(自身を除く): 99695800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 55819, 111638, 223276, 279095, 446552, 558190, 893104, 1116380, 1786208, 2232760, 3572416, 4465520, 7144832, 8931040, 14289664, 17862080, 35724160, 71448320]

約数ペア:

[(1, 71448320), (2, 35724160), (4, 17862080), (5, 14289664), (8, 8931040), (10, 7144832), (16, 4465520), (20, 3572416), (32, 2232760), (40, 1786208), (64, 1116380), (80, 893104), (128, 558190), (160, 446552), (256, 279095), (320, 223276), (640, 111638), (1280, 55819)]