78690225920

素因数分解:

$2^8\times 5^1\times {\mathrm{61476739}}^1$

素因数の和:61476760

約数の個数: 36

約数和(自身を含む): 188487684840

約数和(自身を除く): 109797458920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 61476739, 122953478, 245906956, 307383695, 491813912, 614767390, 983627824, 1229534780, 1967255648, 2459069560, 3934511296, 4918139120, 7869022592, 9836278240, 15738045184, 19672556480, 39345112960, 78690225920]

約数ペア:

[(1, 78690225920), (2, 39345112960), (4, 19672556480), (5, 15738045184), (8, 9836278240), (10, 7869022592), (16, 4918139120), (20, 3934511296), (32, 2459069560), (40, 1967255648), (64, 1229534780), (80, 983627824), (128, 614767390), (160, 491813912), (256, 307383695), (320, 245906956), (640, 122953478), (1280, 61476739)]