39900160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{7793}}^1$

素因数の和:7818

約数の個数: 44

約数和(自身を含む): 95725908

約数和(自身を除く): 55825748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 7793, 15586, 31172, 38965, 62344, 77930, 124688, 155860, 249376, 311720, 498752, 623440, 997504, 1246880, 1995008, 2493760, 3990016, 4987520, 7980032, 9975040, 19950080, 39900160]

約数ペア:

[(1, 39900160), (2, 19950080), (4, 9975040), (5, 7980032), (8, 4987520), (10, 3990016), (16, 2493760), (20, 1995008), (32, 1246880), (40, 997504), (64, 623440), (80, 498752), (128, 311720), (160, 249376), (256, 155860), (320, 124688), (512, 77930), (640, 62344), (1024, 38965), (1280, 31172), (2560, 15586), (5120, 7793)]