25815040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{2521}}^1$

素因数の和:2548

約数の個数: 48

約数和(自身を含む): 61965540

約数和(自身を除く): 36150500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2521, 2560, 5042, 5120, 10084, 10240, 12605, 20168, 25210, 40336, 50420, 80672, 100840, 161344, 201680, 322688, 403360, 645376, 806720, 1290752, 1613440, 2581504, 3226880, 5163008, 6453760, 12907520, 25815040]

約数ペア:

[(1, 25815040), (2, 12907520), (4, 6453760), (5, 5163008), (8, 3226880), (10, 2581504), (16, 1613440), (20, 1290752), (32, 806720), (40, 645376), (64, 403360), (80, 322688), (128, 201680), (160, 161344), (256, 100840), (320, 80672), (512, 50420), (640, 40336), (1024, 25210), (1280, 20168), (2048, 12605), (2521, 10240), (2560, 10084), (5042, 5120)]